Podcast: Genetic Scars, Creepy People, and Acid-Fighting Body Armor

27 April 2012 3:46 pm

Can childhood abuse leave a genetic mark? Why do some people give us the chills? And did so-called dermal bone prevent the blood of early land animals from turning acidic? Science's Online News Editor David Grimm chats about these stories and more with Science's Sarah Crespi.

(Listen to the full Science podcast and more podcasts.)

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