The Science of Thanksgiving

What's the best way to get home for the holidays?

Research shows that people who write down what they are grateful for may exercise more. Rachel Mahan reports

We run the numbers to see whether keeping kosher has any effect on your carbon footprint

Ornithologist and conservation biologist Jeffrey Wells talks about birds and their roles as markers for environmental health. He also discusses the Boreal Forest, the Boreal Birdsong Initiative, the eBird research project (that you can assist) and his new book, The Birder's Conservation Handbook. We also have a brief tribute to the late Arthur C. Clarke. Plus we'll test your knowledge of some recent science in the news. Websites mentioned on this episode include www.ebird.org; www.borealbirds.org

Imagine a future where a digital you is influencing the real you; where a communicating clone can convince us to alter our decisions and behavior. Research underway at Stanford University's Virtual Human Interaction Lab has shown that our digital self can persuade our real self to exercise more. (A good thing after gorging on mashed potatoes and pumpkin pie!)

Stop blaming the bird for your turkey daze.

In this episode, molecular biologist and journalist Trisha Gura discusses her new book, Lying In Weight, about eating disorders in adult, even elderly, women, as well as a small percentage of men. Plus we'll test your knowledge of some recent science in the news. Websites mentioned on this episode include www.trishagura.com; www.sciam.com/podcast

Turkey expert Richard Buchholz explains how the bird on your table Thursday is much different from the ones they had at the first Thanksgiving

In this episode, Scientific American's "SA 50" research leader of the year, MIT's Angela Belcher, discusses her work using viruses and other organisms to help create nanoelectronics. Animal behaviorist and turkey expert Richard Buchholz brings us up to date on some turkey science. And we'll test your knowledge of some recent turkey science in the news and outer boroughs. Websites mentioned on this episode include http://home.olemiss.edu/~byrb; www.sciam.com/podcast

Some notes on our feathered and finned friends