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"Better Together" will illustrate a story about bird personalities and cooperation when the book Great Adaptations is published in the fall. James Munro/Courtesy of Breadpig, Inc. hide caption

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James Munro/Courtesy of Breadpig, Inc.

Bill Nye (left) and Ken Ham debated whether creation is a viable model of origins in the modern scientific era during a lengthy debate Tuesday. The points they raised have fueled an online conversation that continues. YouTube hide caption

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Bill Nye, left, and Ken Ham will debate the issue Tuesday at 7 p.m. ET. AnsweringGenesis.org hide caption

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Kansas Board of Education members look over language for a science textbook in 2007. The fight over the teaching of evolution has been particularly fierce in Texas, which because of its size influences many textbook publishers. Charlie Riedel/AP hide caption

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Charlie Riedel/AP

Charles, Prince of Wales, smells before tasting some ice cream during a visit to Gloucestershire. Maybe he was sniffing for fat? Barry Batchelor/Getty Images hide caption

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Barry Batchelor/Getty Images

A new study on lactose tolerance among early farmers in Spain challenges a leading theory that humans developed an appetite for milk to avoid calcium deficiency. iStock hide caption

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Say aaaaaah! Dental caries and other signs of oral disease are plain to see in the upper teeth of this hunter-gatherer, between 14,000 and 15,000 years old. The findings challenge the idea that the original paleo diet was inherently healthy, says paleo-anthropologist Louise Humphrey. It all depended, she says, on what wild foods were available. Courtesy of Isabelle De Groote hide caption

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Courtesy of Isabelle De Groote

Looks Like The Paleo Diet Wasn't Always So Hot For Ancient Teeth

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