Thinking About Eating May Mean Eating Less

December 10, 2010 8:35 am Podcasts Comments

Researchers at Carnegie Mellon University say that repeatedly thinking about eating a certain food -- M&Ms or cheese -- led study participants to eat less of the food once it was presented to them. Researcher Carey Morewedge describes the work and its implications for dieters.

Celebrating The Royal Society

December 10, 2010 8:35 am Podcasts Comments

Britain's premier science institution, the Royal Society, turns 350 this year. A new collection of essays called Seeing Further, edited by Bill Bryson, looks at the society's history. Writer Richard Holmes and outgoing society President Martin Rees discuss the institution.

Growing Snowflakes In A Bottle

December 10, 2010 8:35 am Podcasts Comments

Are you dreaming of a white Christmas? Try making your own winter wonderland. Ken Libbrecht, Caltech physicist and author of The Secret Life of a Snowflake, devised an experiment to grow a snow crystal in an old plastic bottle. Dry ice required.


Teaching Computers To Be More Empathetic

December 10, 2010 8:35 am Podcasts Comments

High school juniors Matthew Fernandez and Akash Krishnan took the grand prize in the Siemens Competition in Math, Science & Technology for designing software that decodes emotions in human speech. They say the software could be used by call centers, to direct angry callers to a human.

Rossellini's 'Seduce Me' Looks At Animal Courtship

December 10, 2010 8:35 am Podcasts Comments

Actress and model Isabella Rossellini's video series, Seduce Me, investigates the strange and fascinating mating behaviors of animals. Rossellini plays a diverse cast of characters from the animal kingdom -- from hermaphroditic earthworms to swinging deer to asexual lizards.

Chemistry Keeps Christmas Trees Alive, For Longer

December 10, 2010 8:34 am Podcasts Comments

Just as an avocado ripens quickly in a paper bag, bathed in the ethylene gas it releases, Christmas trees may lose their needles because of a similar "ripening" process. Raj Lada, of Nova Scotia's Christmas Tree Research Center, discusses how to block this process to prolong the life of cut firs.

Oliver Sacks Discusses Vision and 'The Mind's Eye'

December 3, 2010 8:36 am Podcasts Comments

Normally the eyes and brain work together in a seamless, intricate system. But what happens when the brain can no longer make sense of visual information? Neurologist Oliver Sacks talks about his new book, The Mind's Eye, and what visual disorders reveal about how the brain processes sight.

Americans Fail The Climate Quiz

December 3, 2010 8:36 am Podcasts Comments

A recent survey suggests many Americans mistakenly believe the ozone hole is causing global warming. Yale's Anthony Leiserowitz, leader of that study, discusses America's climate change knowledge, and outgoing Republican Rep. Bob Inglis talks about climate skeptics on Capitol Hill.


Military Goes Green For An Edge On The Battlefield

December 3, 2010 8:35 am Podcasts Comments

The Navy is developing biofuel-burning F-18 fighter jets and hybrid-electric warships to increase energy independence. Secretary of the Navy Ray Mabus discusses those initiatives, and retired Army Gen. Steve Anderson talks about what he learned about energy-efficient camps while in Iraq.

Arsenic-Eating Bacteria Challenge View Of How Life Works

December 3, 2010 8:35 am Podcasts Comments

All known life on Earth is made up mainly of six elements -- carbon, oxygen, nitrogen, hydrogen, sulfur and phosphorus. Felisa Wolfe-Simon talks about a strain of bacteria described in the journal Science that appears to be able to use arsenic instead of phosphorus in that mix.

Searching For Science In A Glass of Beer

December 3, 2010 8:35 am Podcasts Comments

Yeast, hops, grain and water all need to combine with biology, chemistry and physics to make a great glass of beer. Charlie Bamforth, University of California, Davis professor of brewing science and author of the new book Beer Is Proof God Loves Us, offers a toast to honor the beverage.

Silly Science Honored With Ig Nobel Prizes

November 26, 2010 7:42 am Podcasts Comments

The winners of this year's Ig Nobel Prizes include work on the pain-relieving effects of swearing, researchers who studied techniques to collect whale snot, and more. The Igs honor research that "first, makes you laugh, then, makes you think," according to Marc Abrahams, the master of...

From The Vault: Discovering The Ozone Hole

November 26, 2010 7:42 am Podcasts Comments

On Science Friday's first broadcast in 1991, Ira Flatow spoke with Michael Oppenheimer and F. Sherwood Rowland about what caused the ozone hole, and what should be done about it. Rowland went on to share a Nobel Prize for the research a few years later.

A Trip Back To The Future of The Internet

November 26, 2010 7:42 am Podcasts Comments

Science Friday made history in 1993, when it became the first national radio show to be broadcast live over the Internet. Traffic on the 'net slowed that day, as listeners from around the world logged on to try to talk to Ira Flatow and guests Brewster Kahle and Carl Malamud.

Remembering The Scent Of A Meal

November 26, 2010 7:41 am Podcasts Comments

How does the way something smells influence the way it tastes? And why are smell memories more emotional than other types of memories? Brown University professor of psychiatry and human behavior Rachel Herz describes the relationship between the smell of food and its taste.


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