evolution evolution

Researchers raised two groups of walking, air-breathing Polypterus senegalus — one on land and one on the water. They discovered that each group was able to adapt to be best suited to its environment. A. Morin, E.M. Standen, T.Y. Du, H. Larsson/McGill University hide caption

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A. Morin, E.M. Standen, T.Y. Du, H. Larsson/McGill University

"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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YouTube

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

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AnsweringGenesis.org