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Podcast Profile: PNAS Science Sessions

podcast imageTwitter: @PNASNews (followed by 50 science writers)
Site: www.pnas.org/about/science-sessions-podcast
333 episodes
2019 to present
Average episode: 7 minutes
Open in Apple PodcastsRSS

Categories: Story-Style

Podcaster's summary: Welcome to Science Sessions, the PNAS podcast program. Listen to brief conversations with cutting-edge researchers, Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in PNAS, plus a broad range of scientific news about discoveries that affect the world around us.

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List Updated: 2022-Sep-28 12:10 UTC. Episodes: 333. Feedback: @TrueSciPhi.

Episodes
2022-Sep-19 • 10 minutes
Activated patients reduce implicit bias
Izzy Gainsburg and Veronica Derricks discuss how patient activation can disrupt implicit bias in physician-patient interactions.
2022-Sep-06 • 10 minutes
How bumblebees respond to noxious stimuli
Matilda Gibbons, Lars Chittka and Jonathan Birch discuss the possibility that bumblebees may feel pain.
2022-Aug-15 • 21 minutes
Science of Misinformation
Researchers explore how misinformation spreads and what can be done to stop it.
2022-Aug-01 • 9 minutes
Bias and the placebo effect
Lauren Howe and Alia Crum explore the interactions of societal biases with the placebo effect.
2022-Jul-18 • 13 minutes
Epigenetic clocks for humans and dogs
Steve Horvath and Elaine Ostrander explain the usefulness of epigenetic clocks in humans and dogs.
2022-Jun-27 • 20 minutes
Peopling of the Americas
Researchers explore how and when humans first arrived in the Americas.
2022-Jun-13 • 11 minutes
How the saw sings
L. Mahadevan, Petur Bryde, and Suraj Shankar explain the otherworldly sounds of the musical saw.
2022-May-31 • 13 minutes
Underrepresentation of women in economics
Guido Friebel discusses the lack of gender parity in academic positions in economics.
2022-May-16 • 10 minutes
How bias impedes women’s ascent to political leadership
Christianne Corbett and Robb Willer explore perceptions of electability of female political candidates.
2022-Apr-25 • 25 minutes
Treating cystic fibrosis
A feature episode explores recent developments and future research directions in treating cystic fibrosis.
2022-Apr-11 • 9 minutes
Rising temperatures and European bird traits
Martijn van de Pol reports that approximately half of the changes in the traits of 60 European bird species can be attributed to rising mean temperatures.
2022-Mar-28 • 8 minutes
Origin of the Great Unconformity
Brenhin Keller and Kalin McDannell explore the origins of a worldwide gap in the geologic record spanning hundreds of millions to billions of years.
2022-Mar-14 • 11 minutes
Ethnoracial identity of MENA Americans
Neda Maghbouleh, Ariela Schachter, and René Flores explore the US Census classification of people with Middle Eastern and North African ancestry.
2022-Feb-28 • 9 minutes
Disparities in scholarly output
Thema Monroe-White and Cassidy Sugimoto discuss how disparities at the intersection of race and gender affect the expansion of scientific knowledge.
2022-Feb-14 • 12 minutes
Frontiers in coral conservation – Part 2
Researchers explore cutting-edge approaches to coral reef conservation. Image credit: Cody Engelsma (Mote Marine Laboratory, Sarasota, FL).
2022-Jan-31 • 13 minutes
Frontiers in coral conservation – Part 1
Researchers explore cutting-edge approaches to coral reef conservation. Image credit: Cody Engelsma (Mote Marine Laboratory, Sarasota, FL).
2022-Jan-18 • 13 minutes
Racial disparities in communication
Ray Block Jr. and John Holbein report that Americans are more likely to respond to an emailed survey request from a sender with a putatively White name than a sender with a putatively Black name. Image credit: iStock/Prostock-Studio.
2021-Dec-27 • 15 minutes
Tropical forests in the Anthropocene – Part 2
A collection of research articles explores how tropical ecosystems have borne the brunt of the human impact on the environment. Image credit: Pixabay/Pexels.
2021-Dec-13 • 15 minutes
Tropical forests in the Anthropocene – Part 1
A collection of research articles explores how tropical ecosystems have borne the brunt of the human impact on the environment. Image credit: Pixabay/Pexels.
2021-Nov-29 • 18 minutes
CRISPR use in agriculture: Part 2
A special episode explores the state of CRISPR use in agriculture. Image credit: Can Stock Photo/molekuul.
2021-Nov-15 • 17 minutes
CRISPR use in agriculture: Part 1
A special episode explores the state of CRISPR use in agriculture. Image credit: Can Stock Photo/molekuul.
2021-Nov-02 • 17 minutes
Language loss and medicinal plant knowledge
Rodrigo Cámara-Leret explains the impact of indigenous language extinction on medicinal plant knowledge. Image credit: Pixabay/DEZALB.
2021-Oct-18 • 11 minutes
How Zen stones form
Nicolas Taberlet and Nicolas Plihon explore the physical explanation for a fascinating natural phenomenon: the formation of Zen stones on frozen lakes. Image credit: N. Taberlet, N. Plihon. Lab Physique ENS de Lyon and CNRS.
2021-Oct-04 • 11 minutes
Greenhouse gas emissions tied to concrete
Hessam Azarijafari, Randy Kirchain, and Jeremy Gregory explore how innovations in the concrete industry can reduce greenhouse gas emissions. Image credit: Pexels/Life Of Pix.
2021-Sep-20 • 13 minutes
Racial and ethnic disparities in pollutant exposure
Sarah Chambliss discusses racial and ethnic disparities in exposure to air pollutants. Image credit: Pixabay/sueegeneris.
2021-Sep-07 • 11 minutes
Soil microbes and hybrid vigor
Maggie Wagner and Manuel Kleiner report that the interaction between maize and soil microbes influences hybrid vigor. Image credit: Kayla M. Clouse.
2021-Aug-23 • 11 minutes
Racial disparities in air pollution
Gaige Kerr discusses racial disparities in atmospheric levels of nitrogen dioxide in the United States.
2021-Aug-09 • 10 minutes
Genome sequencing of extinct giant lemur
Stephanie Marciniak, Logan Kistler, and Ed Louis describe an extinct giant lemur.
2021-Jul-26 • 11 minutes
Upslope advance of forest fires
Mohammad Reza Alizadeh, John T. Abatzoglou, and Mojtaba Sadegh report that forest fires have been advancing upslope across the western United States in recent decades.
2021-Jul-12 • 17 minutes
How bats know the speed of sound
Eran Amichai investigates how bats know the speed of sound.
2021-Jun-28 • 13 minutes
Animal behavior and ecosystem effects
Mike Gil discusses how changes in animal behavior can affect ecosystems.
2021-Jun-14 • 11 minutes
Patient–physician racial concordance
Brad Greenwood explains how patient–physician racial concordance decreases Black infant mortality.
2021-Jun-01 • 13 minutes
How HIV infects human cells
Vinay Pathak describes when and where HIV sheds its capsid coating while infecting human cells.
2021-May-17 • 12 minutes
Self-cleaving ribozymes
Jeannie Lee describes the discovery of self-cleaving ribozymes.
2021-May-03 • 9 minutes
Designing synthetic organisms
Josh Bongard describes AI-designed, reconfigurable biological organisms made from frog cells.
2021-Apr-19 • 12 minutes
Exploring electron bifurcation
Jonathon Yuly, David Beratan, and Peng Zhang investigate how electron bifurcation reactions work.
2021-Apr-05 • 10 minutes
Exploring the length of human conversations
Adam Mastroianni and Daniel Gilbert explore why conversations almost never end when people want them to.
2021-Mar-22 • 12 minutes
Climate history of Mars
Joe Levy shows how glaciers on Mars can reveal its climate history.
2021-Mar-08 • 13 minutes
How click beetles jump
Marianne Alleyne, Aimy Wissa, and Ophelia Bolmin explain how the click beetle amplifies power to pull off its signature jump.
2021-Feb-22 • 17 minutes
Eruption of Steamboat Geyser
Mara Reed and Michael Manga explore why Yellowstone's Steamboat Geyser resumed erupting in 2018.
2021-Feb-08 • 13 minutes
Geological history of Mars
Martin Bizzarro tells what zircon crystals reveal about the geological history of Mars.
2021-Jan-25 • 15 minutes
Learning the language of facial expressions
Aleix Martinez explains why facial expressions often are not accurate indicators of emotion.
2021-Jan-04 • 17 minutes
Hazards of ozone polution to birds
Amanda Rodewald, Ivan Rudik, and Catherine Kling talk about the hazards of ozone pollution to birds.
2020-Dec-14 • 18 minutes
Preserving muscle and bone mass in space
Se-Jin Lee and Emily Germain-Lee explain a way to preserve bone and muscle mass during spaceflight.
2020-Nov-23 • 12 minutes
Predicting the Asian giant hornet’s spread
David Crowder and Gengping Zhu explain how to predict the spread of the Asian giant hornet.
2020-Nov-09 • 22 minutes
Supernova and mass extinction
Brian Fields explores a hypothesis that a supernova may be responsible for a mass extinction.
2020-Oct-26 • 24 minutes
Future of artificial intelligence
Eric Horvitz discusses AI’s promises and perils.
2020-Oct-12 • 17 minutes
Origin and diversification of penguins
Juliana Vianna and Rauri Bowie explain the origin and diversification of penguins.
2020-Sep-28 • 17 minutes
Economics of Greenland ice sheet melting
William Nordhaus explains the economic consequences of Greenland ice sheet melt.
2020-Sep-14 • 17 minutes
Military conscription and public sector employment
NAS member Dalton Conley explains how the Vietnam War draft lotteries are a natural experiment for studying how military service affects life outcomes.
2020-Aug-31 • 17 minutes
Transitions tied to early farming
Clark Larsen describes the costs of urban life a Neolithic city.
2020-Aug-17 • 15 minutes
Soil bacterium that lives on air
Mette Svenning and Alexander Tveit describe a bacterium that can live on gases in the air.
2020-Aug-03 • 15 minutes
Exploring bivalve shell design
Derek Moulton explains the mathematics behind bivalve shell design.
2020-Jul-20 • 17 minutes
Origins of the kinetochore
Eelco Tromer and Jolien van Hooff explain the origins of the kinetochore in eukaryotic cells.
2020-Jul-06 • 16 minutes
Breaking the STEM ceiling
Fabiola Gianotti, Marcia McNutt, and Donna Shalala discuss the past, present, and future of women in STEM.
2020-Jun-22 • 14 minutes
Size limits of ice
Francesco Paesani, Thomas Zeuch, and Valeria Molinero discuss the size limits of ice crystals.
2020-Jun-08 • 12 minutes
How marine reptiles moved from land to sea
Julia Schwab and Steve Brusatte describe how marine reptiles made the evolutionary move from land to sea.
2020-May-26 • 7 minutes
Nutrient dilution and grasshopper decline
Ellen Welti explains how grasshoppers in a Kansas prairie could be in decline even with abundant grass.
2020-May-11 • 18 minutes
Protein design and its applications
NAS member David Baker describes how to design proteins from scratch and the products of his lab's own protein design efforts
2020-May-04 • 6 minutes
Active learning in STEM
Elli Theobald and Scott Freeman describe the benefits of active learning for underrepresented minority students.
2020-Apr-20 • 7 minutes
Designing street networks
Adam Millard-Ball and Chris Barrington-Leigh explain trends in urban street network design.
2020-Apr-06 • 7 minutes
Engineering T cells to fight disease
NAS member and Nobel laureate David Baltimore describes efforts to enhance T cells' ability to fight cancer and HIV.
2020-Mar-23 • 6 minutes
Dynamics of RNA frameshifting
Christine Dunham discusses RNA frameshifting and its potential applications in biotechnology.
2020-Mar-09 • 6 minutes
Albatross patrol
Henri Weimerskirch describes how albatrosses can help detect illegal fishing boats.
2020-Feb-24 • 7 minutes
Stardust predating the Solar System
Philipp Heck tells the story of interstellar stardust grains that predate the Solar System.
2020-Feb-10 • 7 minutes
The Science of Science Communication
Baruch Fischhoff, a decision scientist at Carnegie Mellon University, explains the ingredients necessary for effective science communication.
2020-Jan-21 • 6 minutes
Impact crater in southern Laos
Kerry Sieh recounts the hunt for a meteorite impact crater in Southeast Asia.
2019-Dec-30 • 7 minutes
Human–clam cohistory
Dana Lepofsky describes ancient sustainable clam gardening practices.
2019-Dec-16 • 7 minutes
Artificial intelligence in the laboratory
Theoretical physicists Hans Briegel and Hendrik Poulsen Nautrup describe an artificial intelligence that can design quantum experiments.
2019-Dec-02 • 9 minutes
Rhetoric of the French Revolution
Simon DeDeo and Alexander Barron discuss the rhetoric that shaped the French Revolution.
2019-Oct-28 • 7 minutes
Ocean eddies and shark foraging
Cam Braun explains how ocean eddies allow sharks to dive and forage in deep water.
2019-Oct-15 • 6 minutes
Signs of admixture in fossil record
Shara Bailey explains the significance of a three-rooted lower molar in an archaic jaw.
2019-Sep-30 • 7 minutes
Nucleic acid liquid crystals
Noel Clark and Tommaso Bellini describe how nucleic acids form double-helical liquid crystals, with implications for the origins of life.
2019-Sep-16 • 6 minutes
Eye movement and visual perception
Benjamin de Haas explains individual differences in eye movement patterns.
2019-Sep-04 • 7 minutes
Serotonin, platelets, and immunity
Eric Boilard explains the role of serotonin and platelets in immune responses.
2019-Aug-19 • 14 minutes
Interfaces and Mixing
A collection of research articles explores developments in interfacial transport and mixing, with wide-ranging practical applications.
2019-Aug-05 • 6 minutes
Origin of sunflower family
Jennifer Mandel outlines the evolutionary history of the sunflower family.
2019-Jul-22 • 8 minutes
Nutrients and Chesapeake Bay recovery
Jonathan Lefcheck and Robert Orth discuss nutrient pollution and recovery in the Chesapeake Bay.
2019-Jul-08 • 6 minutes
Physics of chocolate-making
Daniel Hodgson explains the physics of chocolate-making.
2019-Jun-24 • 6 minutes
Adapting to climate change
Chris Field discusses misconceptions about climate change and how humans can adapt to a warming planet.
2019-Jun-11 • 6 minutes
Climate change and global economic inequality
Noah Diffenbaugh and Marshall Burke discuss how global warming impacts economies and income inequality.
2019-Jun-11 • 7 minutes
Bacterial symbiosis with bobtail squid
Margaret McFall-Ngai describes how a symbiont bacterium affects a host cephalopod.
2019-Jun-11 • 14 minutes
Aftermath of Chicxulub asteroid
A paleontological site preserves the immediate aftermath of the asteroid impact that may have caused a global mass extinction.
2019-Jun-11 • 6 minutes
Immigration and economic mobility
Thor Berger and Per Engzell explore connections between European immigration and present-day economic mobility in the US.
2019-Jun-11 • 9 minutes
Parenting and STEM careers
Erin Cech discusses parenting and gender disparities among STEM professionals.
2019-Jun-11 • 7 minutes
Tracing the origin of Europe’s megaliths
Bettina Schulz Paulsson explains the origin and spread of Europe's megaliths, including Stonehenge.
2019-Jun-11 • 6 minutes
Pollution across borders
Daven Henze discusses how air pollution spreads across the globe and what policymakers are doing in response.
2019-Jun-11 • 7 minutes
Unraveling hagfish evolution
Tetsuto Miyashita describes how the hagfish helps define the vertebrate tree of life.
2019-Jun-11 • 6 minutes
Climate change and forest diversity
Daniel Wieczynski and Van Savage show how climate affects the diversity of forests.
2019-Jun-11 • 6 minutes
Network theory and climate change
Jingfang Fan explains what network theory can reveal about climate systems.
2019-Jun-11 • 6 minutes
Quantum computing
Christopher Monroe discusses recent developments in quantum computing.
2019-Jun-11 • 6 minutes
Fur grooming in cats
Alexis Noel and David Hu describe the unusual properties of a cat's tongue.
2019-Jun-11 • 6 minutes
Biodiversity loss in Haiti
Blair Hedges discusses the state of Haiti's remaining forests and the consequences to biodiversity.
2019-Jun-11 • 7 minutes
Mapping the galactic plane in X-rays
Chryssa Kouveliotou describes her efforts to compile a detailed X-ray map of the galactic plane.
2019-Jun-11 • 6 minutes
Ancient Maya salt industry
Heather McKillop explores the Maya salt industry.
2019-Jun-11 • 6 minutes
Social mobility across generations
Mike Hout explores the persistence of occupational and socioeconomic standing from parent to child in America.
2019-Jun-11 • 8 minutes
Paintbrush for butterfly wings
Robert Reed explains genetic controls on butterfly wing colors.
2019-Jun-11 • 6 minutes
Nondestructive sampling of cell contents
Nick Melosh describes a method for sampling RNA and proteins from cells using nanostraws.
2019-Jun-11 • 7 minutes
Deep subseafloor microbial life
Victoria Orphan and Elizabeth Trembath-Reichert discuss microbial life in the deep subseafloor.
2019-Jun-11 • 5 minutes
Origins of bread
Amaia Arranz-Otaegui describes the discovery of bread that far pre-dates agriculture.
2019-Jun-11 • 6 minutes
Natural selection in sea stars
Lauren Schiebelhut describes natural selection following sea star wasting disease.
2019-Jun-11 • 7 minutes
Respectfulness in police-community relations
Rob Voigt and Nicholas Camp examine respectfulness in police officers' interactions with community members.
2019-Jun-11 • 8 minutes
Biodiversity hypothesis
Jenni Lehtimäki and Stefan Reber explore links between animal exposure in upbringing and immune system function.
2019-Jun-11 • 6 minutes
RNA origin in warm little ponds
Ralph Pudritz and Ben Pearce describe a model of how RNA-based life could have originated on the early Earth.
2019-Jun-11 • 6 minutes
Manipulation of ant behavior by parasites
David Hughes discusses how a parasitic fungus manipulates ant behavior for reproduction.
2019-Jun-11 • 5 minutes
Gut microbiota and human health
Rob Knight discusses the role of the human gut microbiota in health and disease.
2019-Jun-11 • 7 minutes
Wearable health monitors
John Rogers describes soft, wearable electronic devices for health monitoring.
2019-Jun-11 • 7 minutes
Gene therapy for retinal disease
Karina Guziewicz and Artur Cideciyan explain a potential gene therapy approach for macular degeneration.
2019-Jun-11 • 6 minutes
Global hydrologic models and water storage
Bridget Scanlon discusses the use of global hydrologic models for studying changes in water storage worldwide.
2019-Jun-11 • 6 minutes
Project MindScope
Christof Koch describes a large-scale effort to understand how the cerebral cortex functions.
2019-Jun-11 • 7 minutes
Science and Philanthropy
Robert Tjian discusses the role of philanthropy in funding scientific research.
2019-Jun-11 • 6 minutes
Gene editing in mosquitoes
Omar Akbari and Kevin Esvelt discuss a gene editing approach for harmful mosquitoes.
2019-Jun-11 • 7 minutes
Big data
Atul Butte explains how researchers can use existing data to answer biomedical questions.
2019-Jun-11 • 6 minutes
Molecular contraception
Polina Lishko discusses the development of unisex contraceptives.
2019-Jun-11 • 6 minutes
The Chan Zuckerberg Biohub
Joseph DeRisi describes the Chan Zuckerberg Biohub, a new privately-funded medical research center in the Bay Area.
2019-Jun-11 • 6 minutes
Early evidence of winemaking
Patrick McGovern describes evidence of winemaking in Georgia during the Neolithic period.
2019-Jun-11 • 6 minutes
Bird feathers reveal past air pollution
Carl Fuldner and Shane DuBay describe how bird feathers preserve records of air pollution.
2019-Jun-11 • 7 minutes
Interview with 2016 Cozzarelli Prize Winner Vadim Backman
Vadim Backman describes a technique for high resolution imaging of biological molecules without labels.
2019-Jun-11 • 6 minutes
Interview with 2016 Cozzarelli Prize Winner Jonathan Sears
Jonathan Sears describes potential treatment strategies for retinopathy of prematurity.
2019-Jun-11 • 6 minutes
Zebrafish avatars for cancer treatment
Rita Fior describes how zebrafish can make cancer treatment more efficient.
2019-Jun-11 • 7 minutes
Interview with 2016 Cozzarelli Prize Winners Sandu Popescu and Jeff Tollaksen
Sandu Popescu and Jeff Tollaksen explain how a fundamental principle of nature does not hold in quantum mechanics.
2019-Jun-11 • 5 minutes
Interview with 2016 Cozzarelli Prize Winner Yayoi Obata
Yayoi Obata describes the formation of mammalian egg cells in vitro.
2019-Jun-11 • 5 minutes
The Deep Hot Biosphere after 25 years
John Spear discusses the legacy of Thomas Gold's "Deep Hot Biosphere" hypothesis.
2019-Jun-11 • 6 minutes
Interview with 2016 Cozzarelli Prize Winner Russell Graham
Russell Graham describes the extinction of woolly mammoths from St. Paul island.
2019-Jun-11 • 6 minutes
How Sherpas adapt to high altitudes
Andrew Murray describes metabolic adaptations of Himalayan Sherpas to low-pressure, low-oxygen conditions at high altitudes.
2019-Jun-11 • 6 minutes
Interview with 2016 Cozzarelli Prize Winners Fernando Colchero, Roland Rau, and Susan Alberts
Fernando Colchero, Roland Rau, and Susan Alberts describe the relationship between lifespan equality and average lifespan.
2019-Jun-11 • 6 minutes
Oyster Harvest
Rowan Lockwood discusses the sustainability of Native American oyster harvesting in the Chesapeake Bay.
2019-Jun-11 • 7 minutes
Improving endoscopy for disease diagnosis
Pelham Keahey describes how differential structured illumination microendoscopy can improve cancer diagnosis.
2019-Jun-11 • 5 minutes
Fungicides and honey bee health
Entomologist May Berenbaum discusses the effects of agricultural fungicides on honey bee health.
2019-Jun-11 • 6 minutes
Vision and transition to land
Malcolm MacIver describes how our aquatic ancestors may have become interested in land.
2019-Jun-11 • 7 minutes
Self-driving cars
Jeff Schneider explains how self-driving cars use machine learning to learn the rules of the road.
2019-Jun-11 • 7 minutes
Science for the general public
Steven Weinberg describes his experiences writing about science for a general audience.
2019-Jun-11 • 7 minutes
Interview with 2017 Breakthrough Prize winner Steve Elledge
Steve Elledge discusses how cells sense and respond to damage to their DNA.
2019-Jun-11 • 7 minutes
DNA folding by loop extrusion
Erez Lieberman Aiden discusses a model of how DNA folds to fit inside a cell nucleus.
2019-Jun-11 • 5 minutes
Maize domestication in Mexico
Researchers Jean-Philippe Vielle-Calzada and Miguel Vallebueno discuss 5,000-year-old partially domesticated maize.
2019-Jun-11 • 7 minutes
Future of infectious disease research
Charles Rice and Robert Landford discuss the future of hepatitis C research without chimpanzees.
2019-Jun-11 • 7 minutes
Honeybees and biofuel crops
Clint Otto discusses the impact of land-use changes on beekeepers in the Dakotas.
2019-Jun-11 • 6 minutes
Recoding an organism
George Church, Matthieu Landon, and Michael Napolitano discuss the genetic replacement of arginine codons in E. coli.
2019-Jun-11 • 7 minutes
Interview with 2016 Kavli Prize Winners Kip Thorne and Rai Weiss
Kip Thorne and Rai Weiss describe the detection of gravitational waves with LIGO.
2019-Jun-11 • 7 minutes
20th-century excess male mortality
Eileen Crimmins discusses the mortality difference between the sexes and its possible causes.
2019-Jun-11 • 7 minutes
Remodelling brain function
Kavli Prize winner Eve Marder discusses flexibility and stability in neural circuits.
2019-Jun-11 • 6 minutes
Climate change and irrigation water
Joshua Elliott discusses potential impacts of climate change on water availability for irrigation.
2019-Jun-11 • 5 minutes
Modeling disease spread
Andrea Rinaldo explains how cell phone data can be used to model disease spread.
2019-Jun-11 • 6 minutes
Interview with 2015 Cozzarelli Prize Winner Amanda Woerman
Amanda Woerman discusses the role of the alpha-synuclein prion in the neurodegenerative disorder multiple system atrophy.
2019-Jun-11 • 6 minutes
Interview with 2015 Cozzarelli Prize Winners Anne Case and Angus Deaton
Anne Case and Angus Deaton describe recent changes in mortality trends for white non-Hispanic Americans.
2019-Jun-11 • 6 minutes
Interview with 2015 Cozzarelli Prize Winners Glaucio Paulino and Evgueni Filipov
Glaucio Paulino and Evgueni Filipov describe an origami-inspired approach to designing deployable structures and metamaterials.
2019-Jun-11 • 5 minutes
Interview with 2015 Cozzarelli Prize Winner Mark Jacobson
Mark Jacobson explains the feasability of a 100% wind, water, and solar power grid in the continental United States.
2019-Jun-11 • 6 minutes
Interview with 2015 Cozzarelli Prize Winners Will Castleman and Cuneyt Berkdemir
Will Castleman and Cuneyt Berkdemir describe how to mimic rare earth elements using superatom clusters.
2019-Jun-11 • 5 minutes
Interview with 2015 Cozzarelli Prize Winner Yatrik Shah
Yatrik Shah describes the connection between maternal iron absorption during lactation and neonatal anemia.
2019-Jun-11 • 6 minutes
Nanoparticles for disease detection
Sangeeta Bhatia describes the development of nanoparticles that can aid in detecting cancer and other diseases.
2019-Jun-11 • 4 minutes
Origins of mathematical ability
Stanislas Dehaene investigates how certain areas of the brain might be related to mathematical ability.
2019-Jun-11 • 6 minutes
Building the James Webb Space Telescope
John Mather of the NASA Goddard Space Flight Center explains why and how the James Webb Space Telescope is being built.
2019-Jun-11 • 6 minutes
Tracking endemic tuberculosis
Robyn Lee and Marcel Behr investigate the genomics of endemic tuberculosis in Northern Canada.
2019-Jun-11 • 7 minutes
Brain clarity
Karl Deisseroth explains a method to explore the wiring and structure of the brain.
2019-Jun-11 • 7 minutes
Gene drive for malaria mosquito control
Anthony James describes how gene drives can be used to spread malaria parasite resistance in mosquitoes.
2019-Jun-11 • 6 minutes
Interview with 2014 Cozzarelli Prize Winner Anthony Vecchiarelli
Anthony Vecchiarelli explains a system of genetic cargo movement within cells that has roots in the work of Alan Turing.
2019-Jun-11 • 5 minutes
Interview with 2014 Cozzarelli Prize Winner Jintai Lin
Jintai Lin explains the impact of a global economy on air pollution in China and in the US.
2019-Jun-11 • 7 minutes
Interview with 2014 Cozzarelli Prize Winner Frank Bates
Frank Bates describes how a project related to chewing gum led to materials science discoveries.
2019-Jun-11 • 6 minutes
Interview with 2014 Cozzarelli Prize Winner Abigail Marsh
Abigail Marsh describes mechanisms of altruistic kidney donors' responsiveness to others' emotions.
2019-Jun-11 • 7 minutes
Search rankings and voter manipulation
Robert Epstein of the American Institute for Behavioral Research describes how search engine rankings can influence voter preferences.
2019-Jun-11 • 6 minutes
Timeline of the end-Permian extinction
Seth Burgess describes a timeline of events surrounding the end-Permian mass extinction.
2019-Jun-11 • 6 minutes
Interview with 2014 Cozzarelli Prize Winners Yaara Oren and Tal Pupko
Yaara Oren and Tal Pupko describe how bacteria can evolve via transfer of gene regulatory regions.
2019-Jun-11 • 6 minutes
Uniqueness of olfactory perception
Noam Sobel explains how a human olfactory fingerprint helps uncover the uniqueness of individuals’ sense of smell.
2019-Jun-11 • 5 minutes
Candidate vaccine against Staphylococcus aureus
Rino Rappuoli of GlaxoSmithKline discusses preclinical studies of a vaccine candidate against Staphylococcus aureus.
2019-Jun-11 • 6 minutes
Improving global scientific engagement
As AAAS president for 2015, Geraldine Richmond focuses on global scientific engagement.
2019-Jun-11 • 5 minutes
Blaming those who harm intentionally
Susan Fiske describes how intentional acts of harm motivate people to assign blame.
2019-Jun-11 • 6 minutes
Biocontainment safeguards
Jef Boeke explains how to safeguard against unauthorized growth of engineered microorganisms.
2019-Jun-11 • 6 minutes
Exploring tropical glaciers
Lonnie Thompson discusses clues to Earth's ancient climate history that are stored in tropical glacial ice.
2019-Jun-11 • 6 minutes
Gatekeeping in scientific publishing
Kyle Siler discusses the role of editors as gatekeepers at scientific journals.
2019-Jun-11 • 6 minutes
Designing theoretical molecules
Alán Aspuru-Guzik discusses how he uses supercomputing as a "molecular spaceship" to explore chemical space and discover potentially useful new molecules.
2019-Jun-11 • 6 minutes
Genome editing
Keith Joung and Feng Zhang explain methods for editing sequences of DNA in living cells.
2019-Jun-11 • 5 minutes
An overdependence on p-values
Veronica Vieland discusses a common disconnect between scientists and statisticians in evaluating scientific evidence.
2019-Jun-11 • 6 minutes
Retina cell transplantation
Robin Ali describes efforts to transplant healthy rod and cone cells into afflicted retinas.
2019-Jun-11 • 5 minutes
Heart regeneration
Hesham Sadek explains the regenerative capability of newborn mouse hearts.
2019-Jun-11 • 6 minutes
Global collaboration against HIV
Ambassador Deborah Birx discusses international efforts in the fight against HIV/AIDS.
2019-Jun-11 • 6 minutes
Molecular profiling of cancer
Elaine Mardis discusses how next generation sequencing technology is helping the Pan-Cancer Initiative gain a molecular understanding of cancer.
2019-Jun-10 • 6 minutes
Growing stem cells in 3D
David Schaffer describes how to culture human stem cells in a fully-defined, scalable 3D medium.
2019-Jun-10 • 6 minutes
Astrocytes and ALS
Brian Kaspar discusses the role of astrocyte cells in the motor neuron disease ALS.
2019-Jun-10 • 4 minutes
Taming an unwieldy cancer target
Frank McCormick discusses a National Cancer Institute-led effort to turn a well-known cancer-causing protein into a viable drug target.
2019-Jun-10 • 4 minutes
Genetic switchboards
James Collins explains how researchers can rewire bacterial cells and control multiple genes simultaneously within a single cell.
2019-Jun-10 • 6 minutes
Interview with 2013 Cozzarelli Prize Winner Francesco Pennacchio
Francesco Pennacchio explains how neonicotinoid insecticides can influence the immune response of honey bees.
2019-Jun-10 • 6 minutes
Interview with 2013 Cozzarelli Prize Winner Caroline Roullier
Caroline Roullier and colleagues won the 2013 Cozzarelli Prize in Behavioral and Social Sciences for their work on the distribution of sweet potatoes in Oceania.
2019-Jun-10 • 6 minutes
Interview with 2013 Cozzarelli Prize Winners Yoel Sadovsky and Carolyn Coyne
Yoel Sadovsky and Carolyn Coyne describe the placenta's role in protecting the fetus from infection by viruses.
2019-Jun-10 • 6 minutes
Interview with 2013 Cozzarelli Prize Winner Tad Patzek
Tad Patzek explains how natural gas production declines over time in hydrofractured wells.
2019-Jun-10 • 5 minutes
Interview with 2013 Cozzarelli Prize Winners Mimi Kao and Allison Doupe
Mimi Kao and Allison Doupe explore song learning in the male zebra finch.
2019-Jun-10 • 6 minutes
Interview with 2013 Cozzarelli Prize Winners Erik Petigura and Geoffrey Marcy
Erik Petigura and Geoffrey Marcy discuss the number of Earth-like planets that may exist in our galaxy.
2019-Jun-10 • 6 minutes
Modeling human cognition
James "Jay" McClelland describes a parallel distributed processing approach to understanding human cognition.
2019-Jun-10 • 6 minutes
Exchanging kidneys
Alvin Roth discusses how principles of economics can benefit people who need kidney transplants.
2019-Jun-10 • 6 minutes
Nicotine addiction and relapse
Inés Ibañez-Tallon discusses how nicotine and neurons conspire to hamper efforts to quit smoking.
2019-Jun-10 • 6 minutes
Where breast cancer meets brain size
Inder Verma and colleagues describe how a breast cancer-associated gene might be implicated in brain size control in mammals.
2019-Jun-10 • 6 minutes
Supernova chemistry
Paul Dunk discusses the chemistry of carbon in space following a supernova.
2019-Jun-10 • 6 minutes
The postdoctoral problem
NAS member Gregory Petsko discusses efforts to assess the US postdoctoral workforce.
2019-Jun-10 • 6 minutes
Understanding citrus greening
Ariena van Bruggen and J. Glenn Morris, Jr. discuss their work on citrus greening, a disease that is threatening the global citrus industry.
2019-Jun-10 • 6 minutes
Genetic screening for adults
C. Thomas Caskey and Amy McGuire discuss whole-genome genetic screening for adult-onset diseases.
2019-Jun-10 • 6 minutes
Synthesizing fuels and chemicals from CO2
James Liao talks about engineering microorganisms to synthesize fuels and chemicals from CO2.
2019-Jun-10 • 4 minutes
Speech perception and language acquisition in infants
Janet Werker describes how exposure to speech and environmental factors can affect language acquisition by infants.
2019-Jun-10 • 6 minutes
Menopause, mitochondria, and memory
Neuroscientists John Morrison and Yuko Hara talk about the links between estrogen, mitochondria, and age-related cognitive decline.
2019-Jun-10 • 6 minutes
A microbial map for wine
David Mills discusses regional differences in microbes found in grape must.
2019-Jun-10 • 5 minutes
Building better batteries
Yi Cui discusses how nanometerials are improving the energy storage capacity of batteries.
2019-Jun-10 • 5 minutes
History of alcohol in human diet
Steven Benner discusses the interaction between early humans and alcohol.
2019-Jun-10 • 6 minutes
Tracing development in color
Scott Fraser discusses tools to glean a multicolored view of embryonic development.
2019-Jun-10 • 5 minutes
Changing the way we think about antibiotics
Deborah Hung talks about identifying new approaches for treating and diagnosing infectious diseases.
2019-Jun-10 • 6 minutes
How humans may have evolved intelligence
Steven Pinker explains the idea of a cognitive niche, which may have facilitated the evolution of human intelligence.
2019-Jun-10 • 5 minutes
Incentivizing positive behaviors
David Laibson describes how behavioral economics can help incentivize positive behaviors.
2019-Jun-10 • 5 minutes
Making commercial tomatoes taste better
Harry Klee explains how he is trying to make commercial tomatoes more flavorful.
2019-Jun-10 • 5 minutes
Health risks from eating Fukushima-contaminated seafood
Nicholas Fisher discusses his recent study investigating the health risks associated with eating seafood contaminated with Fukushima-derived radioactivity.
2019-Jun-10 • 6 minutes
Curbing dishonest form-filling
Nina Mazar discusses her recent study showing that where people sign a form affects how honestly they complete it.
2019-Jun-10 • 6 minutes
Mapping the mouse connectome
Jeff Lichtman explains the promise and challenges tied to building a mouse connectome.
2019-Jun-10 • 5 minutes
The diets of ancient hominins
Matt Sponheimer discusses what our ancient evolutionary ancestors may have eaten.
2019-Jun-10 • 5 minutes
Interview with 2012 Cozzarelli Prize Winners Andrew Zammit-Mangion, Michael Dewar,Visakan Kadirkamanathan, and Guido Sanguinetti
Andrew Zammit-Mangion, Michael Dewar,Visakan Kadirkamanathan, and Guido Sanguinetti describe their statistical model of conflict dynamics and how they tested it using the WikiLeaks Afghan War Diary.
2019-Jun-10 • 5 minutes
Interview with 2012 Cozzarelli Prize Winners Janet Braam and E. Wassim Chehab
Janet Braam and E. Wassim Chehab discuss how plants anticipate and defend against insect attacks.
2019-Jun-10 • 5 minutes
Interview with 2012 Cozzarelli Prize Winners Paloma Gonzalez-Bellido, Hanchuan Peng, and Apostolos Georgopoulos
Paloma Gonzalez-Bellido, Hanchuan Peng, and Apostolos Georgopoulos describe their research on how dragonflies catch their prey.
2019-Jun-10 • 5 minutes
Interview with 2012 Cozzarelli Prize Winners Sean Palecek and Xiaojun Lian
Sean Palecek and Xiaojun Lian describe their efficient method for converting stem cells into heart muscle cells.
2019-Jun-10 • 5 minutes
Interview with 2012 Cozzarelli Prize Winners Clayton R. Magill and Katherine H. Freeman
Clayton R. Magill and Katherine H. Freeman discuss how water availability and ecosystem changes influenced early human habitats.
2019-Jun-10 • 5 minutes
Interview with 2012 Cozzarelli Prize Winner Bob MacCallum
Bob MacCallum explores how music can evolve from noise based on listeners' preferences.
2019-Jun-10 • 5 minutes
The life beneath our feet
Diana Wall discusses how life in the soil may change in a warming world.
2019-Jun-10 • 6 minutes
The science of microbes
Julie Segre and Liliana Losada discuss human-microbe interactions in a recording of a PNAS Science Cafe event held in Washington, DC on February 27, 2013.
2019-Jun-10 • 5 minutes
Engineering bacteria to curb malaria transmission
Marcelo Jacobs-Lorena describes how he engineered a symbiotic bacterium found in mosquito guts to block the transmission of the malaria parasite.
2019-Jun-10 • 6 minutes
Taking science to the streets
John Durant talks about the role of science festivals in science literacy.
2019-Jun-10 • 5 minutes
Microbial cell factories
Bernhard Palsson explains how bacteria can be used as factories to produce sustainable products.
2019-Jun-10 • 5 minutes
Fly social networks
Joel Levine discusses his research on social interaction networks in fruit flies.
2019-Jun-10 • 5 minutes
What makes us human
Chet Sherwood explores the unique aspects of the human brain's anatomy and function
2019-Jun-10
Why music moves us
Thalia Wheatley and Beau Sievers discuss the structural similarities between music and movement.
2019-Jun-10 • 6 minutes
Social bacteria
E. Peter Greenberg explains how antisense RNA help regulate bacterial social interactions.
2019-Jun-10 • 5 minutes
How mosquitos survive raindrops
David Hu describes his research on how mosquitos survive collisions with raindrops, which could help design better flying robots.
2019-Jun-10 • 5 minutes
The evolution of music from noise
Bob MacCallum explores how music can evolve from noise based on listeners' preferences.
2019-Jun-10 • 5 minutes
The science of biodiversity - Part 2
Merlin Hanauer and Chase Mendenhall discuss the science of biodiversity, in the second of two recordings of a PNAS Science Cafe event held in Washington, DC on October 17, 2012.
2019-Jun-10 • 5 minutes
The science of biodiversity - Part 1
Merlin Hanauer and Chase Mendenhall discuss the science of biodiversity, in the first of two recordings of a PNAS Science Cafe event held in Washington, DC on October 17, 2012.
2019-Jun-10 • 5 minutes
Reshuffling in the human genome
Fred Alt discusses methods to map human chromosomal reshuffling.
2019-Jun-10 • 5 minutes
Widespread lead poisoning in condors
Myra Finkelstein discusses her research showing that California condors are significantly threatened by lead from lead-based ammunition.
2019-Jun-10 • 5 minutes
Cancer nanomedicines
Chemical engineer Mark Davis discusses his research on nano-sized cancer therapeutics.
2019-Jun-10 • 4 minutes
How caffeine can help prevent cancer
Chemical biologist Allan Conney discusses his research on caffeine's anticancer properties.
2019-Jun-10 • 5 minutes
Understanding the brain's architecture
Neuroscientist Charles F. Stevens discusses his research on finding the brain's underlying design principles.
2019-Jun-10 • 5 minutes
A systems approach to drug development
Marc Kirschner discusses the goals of systems pharmacology.
2019-Jun-10 • 5 minutes
Building new biological objects
Frances Arnold explains how she harnesses the power of evolution to create proteins and organisms with applications in medicine and in alternative energy.
2019-Jun-10 • 5 minutes
Virus-fighting bacteria
Akiko Iwasaki explains how gut bacteria boost immunity to influenza virus.
2019-Jun-10 • 5 minutes
Bugging the immune system
Sarkis Mazmanian talks about how gut bacteria interact with the immune system to influence health and disease.
2019-Jun-10 • 5 minutes
Bacterial invisible ink
David Walt discusses his research on using fluorescent bacteria to send secret messages.
2019-Jun-10 • 5 minutes
Gatekeepers of our immune system
2011 Nobel Prize winner Bruce Beutler talks about his discovery of the first mammalian innate immune receptors, our first line of defense against the threat of microorganisms.
2019-Jun-10 • 5 minutes
Thwarting dengue transmission
Medical entomologist Scott O'Neill explains how an intracellular bacterium could help curb the spread of dengue virus.
2019-Jun-10 • 5 minutes
Cancer immunotherapy comes of age
Cell biologist Ira Mellman discusses cancer immunotherapy at Genentech.
2019-Jun-10 • 5 minutes
Revolutionizing microscopy
Changhuei Yang and Guoan Zheng talk about their inexpensive, lens-free biomedical imaging device, which could change the way we do microscopy.
2019-Jun-10 • 5 minutes
Making physics palatable
Spanish chef Ferran Adrià and physicist David Weitz discuss the science of cooking.
2019-Jun-10 • 5 minutes
The benefits of gut bacteria
Lora Hooper talks about the complex bacterial ecosystem in our gut and its important role in metabolism and immunity.
2019-Jun-10 • 6 minutes
Sackler Colloquium on the science of science communication
Baruch Fischhoff and Dietram Scheufele discuss the need for a scientific approach to the communication of science.
2019-Jun-10 • 5 minutes
Making improved antibodies against HIV
Structural biologist Pamela Björkman explains how engineering improved versions of naturally occurring antibodies against HIV might make them promising therapeutic agents.
2019-Jun-10 • 5 minutes
Interview with Cozzarelli Prize winner Roland Kanaar
Roland Kanaar explains how elevated temperature augments cancer treatment.
2019-Jun-10 • 5 minutes
Interview with Cozzarelli Prize winner Merlin Hanauer
Merlin Hanauer discusses the benefits of protected areas.
2019-Jun-10 • 5 minutes
Interview with Cozzarelli Prize winner Jacob Waldbauer
Cozzarelli Prize winner Jacob Waldbauer reconstructs the history of oxygen on Earth.
2019-Jun-10 • 5 minutes
Interview with Cozzarelli Prize winners Robert Saye and James Sethian
Cozzarelli Prize winners Robert Saye and James Sethian introduce a numerical method to track complex motions.
2019-Jun-10 • 5 minutes
Interview with Cozzarelli Prize winner James Smith
Economist James Smith discusses the effect of childhood mental problems on adult life.
2019-Jun-10 • 5 minutes
Interview with Cozzarelli Prize winners Erica Machlin Cox and Selena Sagan
Erica Machlin Cox and Selena Sagan discuss an unusual interaction that protects the hepatitis C virus from our body's defenses.
2019-Jun-10 • 6 minutes
Life's building blocks
George Church discusses the potential of synthetic biology.
2019-Jun-10 • 5 minutes
The science of sleep
Erin Hanlon and Jeanne Duffy introduce their research on sleep, in a recording of the PNAS "Science of Sleep" event held in Washington, DC on March 14, 2012.
2019-Jun-10 • 5 minutes
Rebooting damaged vocal cords
Robert Langer and Steven Zeitels describe a polymer gel that could help patients regain lost voice.
2019-Jun-10 • 5 minutes
Drivers of embryonic development
Developmental biologist Cliff Tabin explains how genes shape the formation of organs.
2019-Jun-10 • 5 minutes
Stem cells and diabetes
Can stem cells help cure Type 1 diabetes? Douglas Melton hopes to find out.
2019-Jun-10 • 4 minutes
Sex-specific scientific reporting
Nancy Adler discusses the need for sex-specific scientific reporting and the role it has played in women's health over the last 20 years.
2019-Jun-10 • 5 minutes
The science of fear - Part 2
Psychology experts Daniel Pine and Mark Wiederhold answer fear-related questions from the audience, in second of two recordings from PNAS's "The Science of Fear!" event held in Washington, DC on October 12, 2011.
2019-Jun-10 • 5 minutes
The science of fear - Part 1
Psychology experts Daniel Pine and Mark Wiederhold introduce their research on fear, in the first of two recordings from PNAS' "The Science of Fear!" event held in Washington, DC on October 12, 2011.
2019-Jun-10 • 5 minutes
Catalysts for energy storage
Daniel Nocera discusses how efficient catalysts can help us store solar energy in the same way plants do.
2019-Jun-10 • 6 minutes
Scent of a predator
Molecular biologist Stephen Liberles discusses how prey learn to recognize the scent of a predator.
2019-Jun-10 • 6 minutes
Human lung on a chip
Donald Ingber discusses the "microfabrication" of human biological systems as a means to replace animal testing during drug development.
2019-Jun-07 • 4 minutes
New Editor-in-Chief of PNAS
Inder Verma discusses his new role at PNAS and his future plans for the journal.
2019-Jun-07 • 6 minutes
Social computing, mobile phones, and the developing world
Wendy Kellogg discusses her research into social computing and her boots-on-the-ground observations of how mobile phones can impact the developing world.
2019-Jun-07 • 5 minutes
Applications of rapid genome sequencing
Stephen Quake discusses rapid DNA sequencing and treating medical patients based on their genomes.
2019-Jun-07 • 6 minutes
Imaging, information technology, and autism spectrum disorder
Gregory Abowd discusses the clinical applications of capturing and recording the every day experiences of children with autism spectrum disorder.
2019-Jun-07 • 5 minutes
Paper devices for medical diagnoses
George Whitesides discusses an inexpensive and easy-to-use medical diagnostic device that can be used in the developing world.
2019-Jun-07 • 5 minutes
Social networking and predicting personality
Jennifer Golbeck discusses the intersection of computer science, sociology, and social networking.
2019-Jun-07 • 5 minutes
The science of chocolate
Physicist David Weitz discusses the material properties that make chocolate to-die-for.
2019-Jun-07 • 5 minutes
Ubiquitous computing and smart environments
Bo Begole discusses ubiquitous computing, behavioral modeling, and smart environments that can anticipate people's information needs.
2019-Jun-07 • 6 minutes
Changing public perception of the Smithsonian
Secretary of the Smithsonian Institution Wayne Clough discusses his goal to educate the public about the Smithsonian's groundbreaking scientific research projects.
2019-Jun-07 • 6 minutes
Genetically modified crops and agricultural productivity
Roger Beachy discusses the role of genetically modified crops in feeding the world's growing population.
2019-Jun-07 • 5 minutes
Interview with Cozzarelli Prize Winner Zvonimir Dogic
Zvonimir Dogic discusses how viruses can be coaxed into forming self-assembling, polymer membranes.
2019-Jun-07 • 5 minutes
Interview with Cozzarelli Prize Winners Won-Yong Song and Jiyoung Park
Won-Yong Song and Jiyoung Park discuss the urgent problem of arsenic-tainted rice in Southeast Asia, and genetically engineered rice plants that would be safe to consume and could help remediate arsenic-contaminated groundwater.
2019-Jun-07 • 6 minutes
Interview with Cozzarelli Prize Winner Liza Moscovice
Liza Moscovice discusses what her study on baboon behavior reveals about the evolution of cooperation in humans.
2019-Jun-07 • 7 minutes
Interview with Cozzarelli Prize Winners Robina Shaheen and Mark Thiemens
Robina Shaheen and Mark Thiemens discuss an oxygen isotope signature that reveals how carbonates on Mars form in the absence of life.
2019-Jun-07 • 6 minutes
Interview with Cozzarelli Prize Winner Cheryl Lyn Walker
Cheryl Lyn Walker discusses the role of a cellular protein, called ATM, in offsetting oxidative damage.
2019-Jun-07 • 6 minutes
Interview with Cozzarelli Prize Winner Benjamin tenOever
Benjamin tenOever discusses his team's prize winning discovery that could be the key to developing a universal influenza A vaccine.
2019-Jun-07 • 5 minutes
The personalized medicine revolution
NIH Director Dr. Francis Collins discusses "personalized medicine," a novel approach in which doctors diagnose and treat patients using detailed information about each individual.
2019-Jun-07 • 2 minutes
Aircraft and Iceland's volcanic ash cloud
Susan Stipp discusses her PNAS research article that reveals whether the ash cloud from the 2010 eruption of Iceland's Eyjafjallajökull volcano posed a threat to aircraft, and if the widespread airport closures in Europe were warranted.
2019-Jun-07 • 5 minutes
Keeping Congress up-to-date on the latest scientific research
Jim Jensen, Executive Director of the Office of Congressional and Government Affairs, a branch of the National Research Council, discusses how scientific research shapes public policy.
2019-Jun-07 • 5 minutes
Clean energy funding in the 2012 research budget
Kei Koizumi, Assistant Director for Federal Research and Development at the White House Office of Science and Technology Policy, discusses some aspects of the President's 2012 research budget.
2019-Jun-07 • 5 minutes
Electronic artificial noses
Nate Lewis dicusses the design principles and applications of electronic artificial noses.
2019-Jun-07 • 6 minutes
Visual prosthetic devices for the blind
Peter Schiller discusses a device that could one day restore sight to the blind by directly stimulating the visual cortex.
2019-Jun-07 • 2 minutes
Call for papers: PNAS Plus
PNAS Editor-in-Chief Randy Schekman discusses the journal's new option to publish online-only research articles.
2019-Jun-07 • 5 minutes
Nano-healing and the future of surgery
Rutledge Ellis-Behnke discusses his research in nano-healing, a technology that halts bleeding and helps the brain and body to recover from injury and disease.
2019-Jun-07 • 5 minutes
Identifying the source of HIV infections in criminal cases
David Hillis explains how phylogenetics can be used to solve criminal cases involving the intentional transmission of HIV via unprotected sex.
2019-Jun-07 • 6 minutes
Microexpressions and the science behind "Lie to Me"
Paul Ekman, the scientist whose research inspired the Fox television drama "Lie to Me," explains that almost everyone can learn to read the facial microexpressions that reveal concealed emotions, but that the technique is no "Pinocchio's nose."
2019-Jun-07 • 5 minutes
The "missing link" between fish and land animals
Neil Shubin researches the evolutionary origin of anatomical features. Dr. Shubin's most recent discovery, Tiktaalik roseae, has been dubbed the "missing link" between fish and land animals. Dr. Shubin discusses Tiktaalik and the evolutionary shift...
2019-Jun-07 • 2 minutes
Tracking the spread of flu-like diseases in schools
Marcel Salathé researches disease transmission and prevention, at the Penn State University Center for Infectious Disease Dynamics. To investigate how flu-like diseases spread through schools, Dr. Salathé used wireless sensors to measure the number...
2019-Jun-07 • 6 minutes
Pollution in indoor environments
Charles J. Weschler studies the chemistry of indoor pollutants, including airborne particles, volatile organic compounds, and inorganic gases such as ozone. Listen as Dr. Weschler discusses the consequences of indoor pollution at home and in the...
2019-Jun-07 • 4 minutes
Dark matter, dark energy, and the Chandra X-ray Observatory
Neil deGrasse Tyson is an astrophysicist, author, host of "NOVA ScienceNOW," and the Frederick P. Rose Director of the Hayden Planetarium. Listen as Dr. Tyson discusses the extraordinary capabilities of the Chandra X-ray Observatory, and the nature of...
2019-Jun-07 • 5 minutes
Scientific credibility, public exposure, and irate third-graders
Neil deGrasse Tyson is an astrophysicist, author, host of "NOVA ScienceNOW," and the Frederick P. Rose Director of the Hayden Planetarium. Listen as Dr. Tyson discusses the balance between scientific credibility and public exposure, and the pitfalls...
2019-Jun-07 • 5 minutes
Public science literacy, and race and gender bias in science education
Dr. Mae Jemison is a physician and scientist, who on September 12, 1992 aboard the space shuttle Endeavour, became the world's first woman of color to travel into space. Listen as Dr. Jemison discusses race and gender bias in science education, and...
2019-Jun-07 • 5 minutes
The origin of malignant malaria
Dr. Nathan Wolfe is the Lorry I. Lokey Visiting Professor in Human Biology at Stanford University and Director of the Global Viral Forecasting Initiative. Listen as Dr. Wolfe discusses malaria and the parasites that cause it, and his research that...
2019-Jun-07 • 5 minutes
Interview with Cozzarelli Prize Winner Lennart Balk
Dr. Lennart Balk discusses the thiamine deficiency syndrome killing European wild birds.
2019-Jun-07 • 6 minutes
Interview with Cozzarelli Prize Winner Mary Immordino-Yang
Dr. Mary Immordino-Yang discusses her fMRI study of admiration and compassion.
2019-Jun-07 • 6 minutes
Interview with Cozzarelli Prize Winner Vera Gorbunova
Dr. Vera Gorbunova discusses the innate cancer immunity of the naked mole rat.
2019-Jun-07 • 5 minutes
Interview with Cozzarelli Prize Winner Daniel Rugar
Listen as Dr. Daniel Rugar discusses his 100 million-fold improvement in resolution to conventional magnetic resonance imaging.
2019-Jun-07 • 5 minutes
Interview with Cozzarelli Prize Winners Michael Köttgen and Owen Woodward
Michael Köttgen and Owen Woodward discuss identifying a key gene associated with gout, and the possible therapeutic implications.
2019-Jun-07 • 6 minutes
Interview with Cozzarelli Prize Winner John Dore
John Dore discusses the connection between rising atmospheric carbon dioxide levels and the increasing acidity of Earth's oceans.
2019-Jun-07 • 5 minutes
Adaptation and Evolution: The Life of an RNA Virus
Edward C. Holmes is a professor of biology and a Distinguished Senior Scholar in the Eberly College of Science at the Pennsylvania State University. Listen as Dr. Holmes discusses his research on using comparative genomics to study the genetic...
2019-Jun-07 • 5 minutes
Privacy and Social Security numbers
Alessandro Acquisti is an Associate Professor of Information Technology and Public Policy at the Heinz College at Carnegie Mellon University in Pittsburgh, PA. Listen as Dr. Acquisti discusses his research in the economics of privacy and his 2009 PNAS...
2019-Jun-07 • 5 minutes
Fundamentals of environmental economics
Maureen Cropper is an economics professor at the University of Maryland and a former lead economist at the World Bank. Listen as Dr. Cropper discusses her research in environmental economics and her 2008 election into the National Academy of Sciences.
2019-Jun-07 • 5 minutes
The future and stem cells
James Thomson is best known for his pioneering work that isolated and cultured non-human primate and human embryonic stem cells. Listen as Dr. Thomson discusses his research and the future of stem cells in medical uses ranging from drug discovery,...
2019-Jun-07 • 6 minutes
Simulating material behavior
Emily Carter's work merges quantum mechanics, applied mathematics, and solid state physics to create simulations of various molecules and materials. Listen as Dr. Carter discusses her research and her 2008 election to the National Academy of Sciences.
2019-Jun-07 • 5 minutes
Human expansion out of Africa
Richard Klein served as editor for the PNAS Special Feature titled "Out of Africa". This collection of articles explores the historical expansion of Homo sapiens from Africa to Eurasia. The Special Feature, along with an editorial by Dr....
2019-Jun-07 • 5 minutes
Seeing inside cells
Jennifer Lippincott-Schwartz's laboratory at the National Institutes of Health works to characterize the fundamental principles governing protein geography and movement within cells. Dr. Lippincott-Schwartz talks about her work and her recent election...
2019-Jun-07 • 5 minutes
Interview with Cozzarelli Prize Winner Yoshiro Nagao
"Decreases in dengue transmission may act to increase the incidence of dengue hemorrhagic fever"
2019-Jun-07 • 5 minutes
Interview with Cozzarelli Prize Winner Karen McComb
"Cross-modal individual recognition in domestic horses (Equus caballus)."
2019-Jun-07 • 5 minutes
Interview with Cozzarelli Prize Winner Marius Wernig
"Neurons derived from reprogrammed fibroblasts functionally integrate into the fetal brain and improve symptoms of rats with Parkinson's disease"
2019-Jun-07 • 5 minutes
Interview with Cozzarelli Prize Winner Albert-Laszlo Barabási
"The implications of human metabolic network topology for disease comorbidity"
2019-Jun-07 • 5 minutes
Interview with Cozzarelli Prize Winner John Rossi
"MicroRNA-directed transcriptional gene silencing in mammalian cells"
2019-Jun-07 • 5 minutes
Interview with Cozzarelli Prize Winner Raymond Jeanloz
"Fluid helium at conditions of giant planetary interiors"
2019-Jun-07 • 5 minutes
Interview with Randy Schekman
Randy Schekman, the PNAS Editor-in-Chief, discusses the selection process and history of the Cozzarelli Prize. The Cozzarelli Prize is given annually to six outstanding PNAS articles, each representing one of the major disciplines of the National...
2019-Jun-07 • 7 minutes
Stem cells in neuromedicine
Fred Gage is a professor in the Laboratory of Genetics at the Salk Institute in La Jolla, CA. In this podcast, Dr. Gage talks about the subtleties involved as researchers explore how to use stem cells to treat conditions such as Parkinson's disease.
2019-Jun-07 • 5 minutes
Malaria and vector research
Thomas Wellems is the head of the Malaria and Vector Research Unit at the National Institutes of Health. In this episode, he discusses the advances made in the fight against malaria and the problems that still remain.
2019-Jun-07 • 5 minutes
Inside Science
Bruce Alberts is the former President of the National Academy of Sciences and the current editor-in-chief of Science. In this podcast, Dr. Alberts talks about how he generates ideas for editorials, how Science approaches issues of...
2019-Jun-07 • 11 minutes
Examining Proceedings
PNAS is one of the world's most-cited multidisciplinary scientific journals and has been published by the National Academies since 1915. This podcast, part of the Sounds of Science produced by the National Academies, looks at the history and future of...
2019-Jun-07 • 5 minutes
Interview with Pamela J. Fraker
Pamela J. Fraker was elected to the National Academy of Sciences in 2007. She is known for her investigations of the impact of nutritional deficiencies, particularly of zinc, on immune defense. Her work provided evidence that deficiency in...
2019-Jun-07 • 5 minutes
Interview with Ran Nathan
Ran Nathan organized the Movement Ecology Special Feature for PNAS. He is an associate professor and the chair of the department of Evolution, Systematics, and Ecology at the Hebrew University of Jerusalem, in Jerusalem, Israel.
2019-Jun-07 • 6 minutes
Interview with Nina Fedoroff
Elected to the National Academy of Sciences in 1990 for her work in the field of Plant Biology, Nina Fedoroff is a pioneer in the molecular aspects of plant transposable elements. Building upon the work of Barbara McClintock, she elucidated the...
2019-Jun-06 • 3 minutes
Interview with Richard T. Durrett
Richard T. Durrett was elected to the National Academy of Sciences in 2007 for his work in applied mathematical sciences. Durrett's research in probability theory concerns problems that arise from ecology and genetics. He has developed mathematical...
2019-Jun-06 • 5 minutes
Interview with C. Owen Lovejoy
C. Owen Lovejoy was elected to the National Academy of Sciences in 2007 for his work in the field of anthropology. Lovejoy overturned traditional models of human origins by integrating biomechanics into biological anthropology, demonstrating that the...
2019-Jun-06 • 5 minutes
Interview with Albert Libchaber
Albert Libchaber was elected to the National Academy of Sciences in 2007 for his work in physics. Libchaber has made lasting and fundamental contributions to experimental chaos dynamics and its application to biological physics, from elucidating the...
2019-Jun-06 • 5 minutes
Interview with John G. Hildebrand
John G. Hildebrand was elected to the National Academy of Sciences in 2007. His work on the functional organization, physiology, and development of the central olfactory system of insects has made him a pioneer in analyzing neural mechanisms...
2019-Jun-06 • 5 minutes
Interview with Cozzarelli Prize Winner Kenneth A. Dawson
Understanding the nanoparticle-protein corona using methods to quantify exchange rates and affinities of proteins for nanoparticles.
2019-Jun-06 • 5 minutes
Interview with Cozzarelli Prize Winner Brian Spencer
Targeted delivery of proteins across the blood--brain barrier.
2019-Jun-06 • 5 minutes
Interview with Cozzarelli Prize Winner Andreas Reichenbach
Müller cells are living optical fibers in the vertebrate retina.
2019-Jun-06 • 5 minutes
Interview with Cozzarelli Prize Winner R. Adriana Hernandez-Aguilar
Savanna chimpanzees use tools to harvest the underground storage organs of plants.
2019-Jun-06 • 5 minutes
Interview with Cozzarelli Prize Winner Monica Olvera de la Cruz
Faceting ionic shells into icosahedra via electrostatics.
2019-Jun-06 • 5 minutes
Interview with Cozzarelli Prize Winner Sandra Díaz
Incorporating plant functional diversity effects in ecosystem service assessments