PNAS Science Sessions show

PNAS Science Sessions

Summary: Science Sessions is the podcast program of Proceedings of the National Academy of Sciences (PNAS). Listen to brief conversations with cutting-edge researchers, National Academy of Sciences members, and policy makers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of research published in PNAS, plus a broad range of science news and discoveries that affect the world around us.

Podcasts:

 Keeping Congress up-to-date on the latest scientific research | File Type: audio/mpeg | Duration: 5:11

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.

 Clean energy funding in the 2012 research budget | File Type: audio/mpeg | Duration: 5:02

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.

 Electronic artificial noses | File Type: audio/mpeg | Duration: 5:10

Nate Lewis dicusses the design principles and applications of electronic artificial noses.

 Visual prosthetic devices for the blind | File Type: audio/mpeg | Duration: 5:46

Peter Schiller discusses a device that could one day restore sight to the blind by directly stimulating the visual cortex.

 Call for papers: PNAS Plus | File Type: audio/mpeg | Duration: 1:33

PNAS Editor-in-Chief Randy Schekman discusses the journal's new option to publish online-only research articles.

 Nano-healing and the future of surgery | File Type: audio/mpeg | Duration: 4:46

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.

 Identifying the source of HIV infections in criminal cases | File Type: audio/mpeg | Duration: 4:32

David Hillis explains how phylogenetics can be used to solve criminal cases involving the intentional transmission of HIV via unprotected sex.

 Microexpressions and the science behind "Lie to Me" | File Type: audio/mpeg | Duration: 5:37

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."

 The "missing link" between fish and land animals | File Type: audio/mpeg | Duration: 4:56

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 from life in water to life on land.

 Tracking the spread of flu-like diseases in schools | File Type: audio/mpeg | Duration: 1:48

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 of close-proximity, person-to-person interactions during a typical day at a local high school.

 Pollution in indoor environments | File Type: audio/mpeg | Duration: 6:00

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 workplace.

 Dark matter, dark energy, and the Chandra X-ray Observatory | File Type: audio/mpeg | Duration: 4:27

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 dark matter and dark energy.

 Scientific credibility, public exposure, and irate third-graders | File Type: audio/mpeg | Duration: 4:55

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 of challenging Pluto's status as a planet..

 Public science literacy, and race and gender bias in science education | File Type: audio/mpeg | Duration: 5:10

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 the importance of public science literacy.

 The origin of malignant malaria | File Type: audio/mpeg | Duration: 4:36

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 determined the origin of malignant malaria in humans.

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