Science Friday

Hosted by veteran science journalist Ira Flatow, Science Friday is a weekly science talk show, part of NPR's Talk of the Nation programming. Each week, Science Friday focuses on science topics that are in the news and tries to bring an educated, balanced discussion to bear on the scientific issues at hand.

Airs Friday 9-11 p.m.

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Real-Life Physics Problems Star On TV

The stars of The Big Bang Theory are two fictional Caltech physicists, but the physics problems they study are real. Bill Prady, the program's co-creator and executive producer, talks about including real-world science in the script, from dark matter to magnetic monopoles.

Book Recounts Challenges Of Eradicating Smallpox

In Smallpox: The Death of a Disease, Dr. D.A. Henderson recounts the history of the deadly virus, from the development of the first vaccine in the late 18th century to his involvement in the successful global eradication campaign in the 1960s and 70s.

Debating Benefits, Risks Of Routine Mammograms

New guidelines from the U.S. Preventive Services Task Force recommend women start getting routine mammograms at age 50, not 40. Ira Flatow and guests take a closer look at the guidelines and what they mean for women's health.

Talking Turkey About Holiday Stress

The holiday season is here and for many that can mean a surge in stress. But what is stress exactly? Science Friday hit the streets of New York City to gauge stress levels and consulted with experts on the effects of stress and strategies for how to cope.

Personalizing Solar Power

Researchers are hoping to improve solar energy installations by coupling a solar panel to an efficient hydrolysis unit that splits water into oxygen and hydrogen. Daniel Nocera of MIT says the approach could lead to personal solar power units that could get many houses off the grid.