Shows
PNAS Science SessionsIndividual decision-making and collective animal behaviorIndividual decision-making and collective animal behavior Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, researchers explore advances in the modeling of collective animal behaviors. In this episode, we cover: •[00:00] Introduction •[00:48] Conor Heins incorporated cognitive processes into a model of collective behavior. •[02:13] Eva Ka...2025-04-2112 minPNAS Science SessionsModeling extreme heat wavesModeling extreme heat waves Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Kai Kornhuber explains how and why climate models struggle to reproduce extreme heat wave trends. In this episode, we cover: •[00:00] Introduction •[00:53] Extreme weather climatologist Kai Kornhuber explains why modeling heat wave...2025-04-0710 minPNAS Science SessionsEstimating the social cost of carbonReconsidering the social cost of carbon Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Frances Moore presents a re-analysis of how the social costs of carbon emissions are quantified. In this episode, we cover: •[00:00] Introduction •[00:50] Climate economist Frances Moore explains the “social cost o...2025-03-2409 minPNAS Science SessionsHow hula hoops stay aloftHow hula hoops stay aloft Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Olivia Pomerenk reveals the physics of hula hooping. In this episode, we cover: •[00:00] Introduction •[00:49] Applied mathematician Olivia Pomerenk talks about the history of hula hooping. •[01:52] Pomerenk explains the fascin...2025-03-1009 minPNAS Science SessionsClimate effects and shifting Arctic coastlinesErosion, subsidence, and sea level rise on Arctic coastlines Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Roger Creel describes how compounding forces could reshape a thawing Arctic coastline. In this episode, we cover: •[00:00] Introduction •[00:57] Sea level geophysicist Roger Creel introduces the impo...2025-02-1710 minPNAS Science SessionsMovies, neurons, and AIHow brains and AI systems process moving images Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Hollis Cline describes how neuroscience informed development of an artificial intelligence movie recognition system. In this episode, we cover: •[00:00] Introduction •[00:55] Neuroscientist Hollis Cline introduces the background of t...2025-02-0310 minPNAS Science SessionsSustainability of plant-based meat alternativesSustainability of plant-based meat alternatives Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, researchers discuss the environmental, health, and economic tradeoffs that limit the potential benefits of plant-based meat alternatives. In this episode, we cover: •[00:00] Introduction •[01:19] Rodolphe Barrangou explains the potential opportunities and...2025-01-0614 minPNAS Science SessionsPlumeworld ocean and snowball EarthHow Snowball Earth melted Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Shuhai Xiao explores how the Earth emerged from a planetwide glaciation called Snowball Earth. In this episode, we cover: •[00:00] Introduction •[00:48] Geobiologist Shuhai Xiao introduces us to Snowball Earth. •[01:58] Xiao introd...2024-12-2310 minPNAS Science SessionsThe curious case of the comb jellyReverse development in a comb jelly Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Joan Soto and Patel Burkhardt introduce us to a comb jelly with the ability to reverse its development to an earlier stage of life. In this episode, we cover: •[00:00] In...2024-12-0910 minPNAS Science SessionsAir pollution and economic mobilityAir pollution and upward mobility Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Luca Merlo and Francesca Dominici explore whether childhood exposure to air pollution can impact economic upward mobility as an adult. In this episode, we cover: •[00:00] Introduction •[01:01] Statistician Luca Merlo talk...2024-11-2510 minPNAS Science SessionsLong-term impact of wildfire smoke pollutionNationwide effects of smoke-related air pollution Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Kai Chen explains the nationwide health effects of smoke-related fine particulate matter air pollution. In this episode, we cover: •[00:00] Introduction •[01:07] Environmental epidemiologist Kai Chen introduces the health risks of f...2024-11-1810 minPNAS Science SessionsIndigenous communities and subsistence whale huntingIndigenous hunting and beluga populations Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Max Friesen, Eline Lorenzen, and Mikkel Skovrind explore beluga population dynamics in relation to subsistence hunting by Indigenous communities in northern Canada. In this episode, we cover: •[00:00] Introduction •[01:01] Archaeologist Max...2024-11-0410 minPNAS Science SessionsPerceiving musical boundariesThe neuroscience of music perception Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Petri Toiviainen, Ibi Burunat, and Daniel Levitin describe the neuroscience of how musicians and non-musicians perceive boundaries within pieces of music. In this episode, we cover: •[00:00] Introduction •[01:04] Music neuroscientist Petri...2024-10-2110 minPNAS Science SessionsHow python hearts grow and shrinkHow python hearts grow and shrink Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Leslie Leinwand, of the University of Colorado in Boulder, and Claudia Crocini, of Charité – Berlin University of Medicine in Germany, describe how the hearts of constricting pythons change size after meals. I...2024-10-0708 minPNAS Science SessionsNeighborhood travel and racial segregation How people travel to racially different neighborhoods Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Mario Small talks about patterns of people's travel to neighborhoods racially different than their home neighborhood. In this episode, we cover: •[00:00] Introduction •[00:59] Sociologist Mario Small describes how...2024-09-3010 minPNAS Science SessionsOcean voyages and disease spreadHow pathogen stowaways traversed the oceans Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Jamie Lloyd-Smith and Elizabeth Blackmore describe how they modeled the epidemiology of pathogens on ocean voyages. In this episode, we cover: •[00:00] Introduction •[01:04] Integrative scientist Jamie Lloyd-Smith and disease ecol...2024-09-1610 minPNAS Science SessionsWhy twisters target the United StatesWhy “Tornado Alley” is unique to North America Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Funing Li and Dan Chavas explain why North America produces many tornadoes each year and South America does not. In this episode, we cover: •[00:00] Introduction •[01:01] Weather and clim...2024-09-0310 minPNAS Science SessionsCreating culturally inclusive schoolsCreating culturally inclusive school environments Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Stephanie Fryberg, Hazel Markus, and Laura Brady explore how to create culturally inclusive environments in schools. In this episode, we cover: •[00:00] Introduction •[01:00] Social cultural psychologist Stephanie Fryberg introduces the valu...2024-08-1910 minPNAS Science SessionsHow redlining affects biodiversityHow redlining affects biodiversity Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Cesar Estien explores the legacy of mid-20th century redlining through the biodiversity of disadvantaged neighborhoods. In this episode, we cover: •[00:00] Introduction •[1:04] Cesar Estien, an urban ecologist at the University of W...2024-08-0510 minPNAS Science SessionsAnimal's eye view of the oceanAnimal’s eye view of the ocean Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, researchers use animal-borne video cameras to explore foraging behaviors of animals in the open ocean. In this episode, we cover: •[00:00] Introduction •[00:46] Taiki Adachi, an ecologist at the Nation...2024-07-1508 minPNAS Science SessionsInequitable exposure to wildfire smokeInequitable wildfire smoke exposure in California Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Joan Casey shows that some California communities are disproportionately exposed to wildfire air pollution. In this episode, we cover: •[00:00] Introduction •[01:04] Joan Casey, an environmental epidemiologist at the University of W...2024-07-0110 minPNAS Science SessionsGentrification and biodiversity Biodiversity and gentrification Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Mason Fidino explores how gentrification changes biodiversity in urban areas. In this episode, we cover: •[00:00] Introduction •[01:02] Mason Fidino, a quantitative ecologist at the Lincoln Park Zoo in Chicago, defines gentrification and...2024-06-1710 minPNAS Science SessionsSchool enrollment during the COVID-19 pandemicSchool enrollment during COVID-19 Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Micah Baum describes how public school enrollments in the US changed during the COVID-19 pandemic. In this episode, we cover: • [00:00] Introduction • [00:54] Micah Baum, an economist at the University of Michigan, intr...2024-06-0310 minPNAS Science SessionsEmotional power of live musicEmotional power of live music Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Sascha Frühholz describes the emotional power of live music compared to recorded music. In this episode, we cover: • [00:00] Introduction • [00:59] Sascha Frühholz, a cognitive neuroscientist at the University of Osl...2024-05-2009 minPNAS Science SessionsAdapting to poor air qualityAdapting to poor air quality Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Rebecca Saari explores potential adaptations needed for worsening air quality due to climate change. In this episode, we cover: • [00:03] Introduction • [00:57] Rebecca Saari, an air quality engineer at the University of W...2024-05-0610 minPNAS Science SessionsMeasuring PovertyScience Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Christine Pu describes how commonly used measures of poverty don't agree, and why definitions of poverty matter. In this episode, we cover: · [00:00] Introduction · [00:59] Christine Pu, an interdisciplinary scientist from Stanford Univer...2024-04-2209 minPNAS Science SessionsHow a small fish makes big soundsHow a small fish makes big sounds Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Verity Cook from Charité – Berlin University of Medicine explains how a fish 12 millimeters in length produces sounds exceeding 140 decibels. In this episode, we cover: •[00:00] Introduction •[01:37] Can you tell us...2024-04-0806 minPNAS Science SessionsHistory of flight in dinosaursDinosaur feathers hint at flight history Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, Jingmai O’Connor and Yosef Kiat share insights gleaned from modern birds’ feathers that help understand the evolutionary history of flight in dinosaurs. In this episode, we cover: •[00:00] Introduction...2024-03-2510 minPNAS Science SessionsBee communication in a changing worldScience Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us. In this episode, researchers describe the potential impact of anthropogenic disturbances on bee communication. In this episode, we cover: [00:00] Introduction [00:45] Description of the waggle dance of honeybees. [01:59] Maggie Couvillon, an entomologist at Virginia Tech, explains what information researchers can glean...2024-03-0416 minPNAS Science Sessions50 years of DNA cloningStanley Cohen reflects on the 50-year legacy of a classic PNAS paper on recombinant DNA.2023-12-1812 min
Dr RR Baliga's "Got Knowledge Doc" PodkastAnthracyclines without Cardiotoxicity? PNAS 18 June 2020 | Dr RR Baliga's 'Got Knowledge Doc' Podkasts for Physicians Uncoupling DNA damage from chromatin damage to detoxify doxorubicin Xiaohang Qiao,......Jacques Neefjes Proceedings of the National Academy of Sciences Jun 2020, 117 (26) 15182-15192; DOI: 10.1073/pnas.1922072117https://www.pnas.org/content/117/26/15182 Jocelyn Kaiser. New forms of ‘red devil’ cancer drug could spare hearts https://www.sciencemag.org/news/2020/07/new-forms-red-devil-cancer-drug-could-spare-hearts Not Medical Advice or Opinion 2021-01-1909 minPNAS Science SessionsTransitions tied to early farmingClark Larsen describes the costs of urban life a Neolithic city.2020-08-3117 minPNAS Science SessionsSoil bacterium that lives on airMette Svenning and Alexander Tveit describe a bacterium that can live on gases in the air.2020-08-1714 minPNAS Science SessionsExploring bivalve shell designDerek Moulton explains the mathematics behind bivalve shell design.2020-08-0315 minPNAS Science SessionsOrigins of the kinetochoreEelco Tromer and Jolien van Hooff explain the origins of the kinetochore in eukaryotic cells.2020-07-2017 minPNAS Science SessionsBreaking the STEM ceilingFabiola Gianotti, Marcia McNutt, and Donna Shalala discuss the past, present, and future of women in STEM.2020-07-0616 minPNAS Science SessionsSize limits of iceFrancesco Paesani, Thomas Zeuch, and Valeria Molinero discuss the size limits of ice crystals.2020-06-2214 minPNAS Science SessionsHow marine reptiles moved from land to seaJulia Schwab and Steve Brusatte describe how marine reptiles made the evolutionary move from land to sea.2020-06-0811 minPNAS Science SessionsNutrient dilution and grasshopper declineEllen Welti explains how grasshoppers in a Kansas prairie could be in decline even with abundant grass.2020-05-2606 minPNAS Science SessionsProtein design and its applicationsNAS member David Baker describes how to design proteins from scratch and the products of his lab's own protein design efforts2020-05-1118 minPNAS Science SessionsActive learning in STEMElli Theobald and Scott Freeman describe the benefits of active learning for underrepresented minority students.2020-05-0405 minPNAS Science SessionsDesigning street networksAdam Millard-Ball and Chris Barrington-Leigh explain trends in urban street network design.2020-04-2006 minPNAS Science SessionsEngineering T cells to fight diseaseNAS member and Nobel laureate David Baltimore describes efforts to enhance T cells' ability to fight cancer and HIV.2020-04-0607 minPNAS Science SessionsDynamics of RNA frameshiftingChristine Dunham discusses RNA frameshifting and its potential applications in biotechnology.2020-03-2305 minPNAS Science SessionsAlbatross patrolHenri Weimerskirch describes how albatrosses can help detect illegal fishing boats.2020-03-0906 min
PNAS Science SessionsStardust predating the Solar SystemPhilipp Heck tells the story of interstellar stardust grains that predate the Solar System.2020-02-2406 minPNAS Science SessionsThe Science of Science CommunicationBaruch Fischhoff, a decision scientist at Carnegie Mellon University, explains the ingredients necessary for effective science communication.2020-02-1006 minPNAS Science SessionsImpact crater in southern LaosKerry Sieh recounts the hunt for a meteorite impact crater in Southeast Asia.2020-01-2106 minPNAS Science SessionsHuman–clam cohistoryDana Lepofsky describes ancient sustainable clam gardening practices.2019-12-3006 minPNAS Science SessionsArtificial intelligence in the laboratoryTheoretical physicists Hans Briegel and Hendrik Poulsen Nautrup describe an artificial intelligence that can design quantum experiments.2019-12-1607 minPNAS Science SessionsRhetoric of the French RevolutionSimon DeDeo and Alexander Barron discuss the rhetoric that shaped the French Revolution.2019-12-0208 minPNAS Science SessionsOcean eddies and shark foragingCam Braun explains how ocean eddies allow sharks to dive and forage in deep water.2019-10-2807 minPNAS Science SessionsSigns of admixture in fossil recordShara Bailey explains the significance of a three-rooted lower molar in an archaic jaw.2019-10-1506 minPNAS Science SessionsNucleic acid liquid crystalsNoel Clark and Tommaso Bellini describe how nucleic acids form double-helical liquid crystals, with implications for the origins of life.2019-09-3007 minPNAS Science SessionsEye movement and visual perceptionBenjamin de Haas explains individual differences in eye movement patterns.2019-09-1606 minPNAS Science SessionsSerotonin, platelets, and immunityEric Boilard explains the role of serotonin and platelets in immune responses.2019-09-0407 minPNAS Science SessionsInterfaces and MixingA collection of research articles explores developments in interfacial transport and mixing, with wide-ranging practical applications.2019-08-1913 minPNAS Science SessionsOrigin of sunflower familyJennifer Mandel outlines the evolutionary history of the sunflower family.2019-08-0506 minPNAS Science SessionsNutrients and Chesapeake Bay recoveryJonathan Lefcheck and Robert Orth discuss nutrient pollution and recovery in the Chesapeake Bay.2019-07-2208 minPNAS Science SessionsPhysics of chocolate-makingDaniel Hodgson explains the physics of chocolate-making.2019-07-0806 minPNAS Science SessionsAdapting to climate changeChris Field discusses misconceptions about climate change and how humans can adapt to a warming planet.2019-06-2406 min
PNAS Science SessionsClimate change and global economic inequalityNoah Diffenbaugh and Marshall Burke discuss how global warming impacts economies and income inequality. 2019-06-1105 min
PNAS Science SessionsBacterial symbiosis with bobtail squidMargaret McFall-Ngai describes how a symbiont bacterium affects a host cephalopod.2019-06-1106 min
PNAS Science SessionsAftermath of Chicxulub asteroidA paleontological site preserves the immediate aftermath of the asteroid impact that may have caused a global mass extinction.2019-06-1113 min
PNAS Science SessionsImmigration and economic mobilityThor Berger and Per Engzell explore connections between European immigration and present-day economic mobility in the US.2019-06-1106 min
PNAS Science SessionsParenting and STEM careersErin Cech discusses parenting and gender disparities among STEM professionals.2019-06-1109 minPNAS Science SessionsTracing the origin of Europe’s megalithsBettina Schulz Paulsson explains the origin and spread of Europe's megaliths, including Stonehenge.2019-06-1106 minPNAS Science SessionsPollution across bordersDaven Henze discusses how air pollution spreads across the globe and what policymakers are doing in response.2019-06-1105 minPNAS Science SessionsUnraveling hagfish evolutionTetsuto Miyashita describes how the hagfish helps define the vertebrate tree of life.2019-06-1107 minPNAS Science SessionsClimate change and forest diversityDaniel Wieczynski and Van Savage show how climate affects the diversity of forests.2019-06-1106 minPNAS Science SessionsNetwork theory and climate changeJingfang Fan explains what network theory can reveal about climate systems.2019-06-1105 minPNAS Science SessionsQuantum computingChristopher Monroe discusses recent developments in quantum computing.2019-06-1106 minPNAS Science SessionsFur grooming in catsAlexis Noel and David Hu describe the unusual properties of a cat's tongue.2019-06-1105 minPNAS Science SessionsBiodiversity loss in HaitiBlair Hedges discusses the state of Haiti's remaining forests and the consequences to biodiversity.2019-06-1105 minPNAS Science SessionsMapping the galactic plane in X-raysChryssa Kouveliotou describes her efforts to compile a detailed X-ray map of the galactic plane.2019-06-1107 minPNAS Science SessionsAncient Maya salt industryHeather McKillop explores the Maya salt industry.2019-06-1106 minPNAS Science SessionsSocial mobility across generationsMike Hout explores the persistence of occupational and socioeconomic standing from parent to child in America.2019-06-1106 minPNAS Science SessionsPaintbrush for butterfly wingsRobert Reed explains genetic controls on butterfly wing colors.2019-06-1107 minPNAS Science SessionsNondestructive sampling of cell contentsNick Melosh describes a method for sampling RNA and proteins from cells using nanostraws.2019-06-1106 minPNAS Science SessionsDeep subseafloor microbial lifeVictoria Orphan and Elizabeth Trembath-Reichert discuss microbial life in the deep subseafloor.2019-06-1106 minPNAS Science SessionsOrigins of breadAmaia Arranz-Otaegui describes the discovery of bread that far pre-dates agriculture.2019-06-1105 minPNAS Science SessionsNatural selection in sea starsLauren Schiebelhut describes natural selection following sea star wasting disease.2019-06-1105 minPNAS Science SessionsRespectfulness in police-community relationsRob Voigt and Nicholas Camp examine respectfulness in police officers' interactions with community members.2019-06-1107 minPNAS Science SessionsBiodiversity hypothesisJenni Lehtimäki and Stefan Reber explore links between animal exposure in upbringing and immune system function.2019-06-1107 minPNAS Science SessionsRNA origin in warm little pondsRalph Pudritz and Ben Pearce describe a model of how RNA-based life could have originated on the early Earth.2019-06-1106 minPNAS Science SessionsManipulation of ant behavior by parasitesDavid Hughes discusses how a parasitic fungus manipulates ant behavior for reproduction.2019-06-1105 minPNAS Science SessionsThe science of microbesJulie Segre and Liliana Losada discuss human-microbe interactions in a recording of a PNAS Science Cafe event held in Washington, DC on February 27, 2013.2019-06-1005 minPNAS Science SessionsThe science of biodiversity - Part 2Merlin 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, 2012.2019-06-1005 minPNAS Science SessionsThe science of biodiversity - Part 1Merlin 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, 2012.2019-06-1005 minPNAS Science SessionsThe science of sleepErin 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, 2012.2019-06-1005 minPNAS Science SessionsThe science of fear - Part 2Psychology 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, 2011.2019-06-1004 minPNAS Science SessionsThe science of fear - Part 1Psychology 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, 2011.2019-06-1005 minPNAS Science SessionsNew Editor-in-Chief of PNASInder Verma discusses his new role at PNAS and his future plans for the journal.2019-06-0703 minPNAS Science SessionsAircraft and Iceland's volcanic ash cloudSusan 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.2019-06-0702 minPNAS Science SessionsCall for papers: PNAS PlusPNAS Editor-in-Chief Randy Schekman discusses the journal's new option to publish online-only research articles.2019-06-0701 minPNAS Science SessionsPrivacy and Social Security numbersAlessandro 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 research article on predicting Social Security numbers.2019-06-0705 minPNAS Science SessionsHuman expansion out of AfricaRichard 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. Klein, will publish in the September 22 issue of PNAS.2019-06-0705 minPNAS Science SessionsInterview with Randy SchekmanRandy 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 Academy of Sciences.2019-06-0704 minPNAS Science SessionsExamining ProceedingsPNAS 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 this publication with Ken Fulton, publisher of PNAS.2019-06-0710 minPNAS Science SessionsInterview with Ran NathanRan 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.2019-06-0704 min