Frances Arnold's game-changing technique of "directed evolution" creates enzymes with unusual capabilities. Her own evolution made it possible.

Reporters from across the United States flocked to eastern Tennessee in July 1925. In the small town of Dayton, biology teacher John Scopes went on trial for the crime of teaching human evolution.

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For more than a century, scientists have treated the brain as the undisputed command center of human evolution, with the rest of the body cast in supporting roles. A wave of new microbiome research is ...

One hundred years ago, the small town of Dayton, Tenn., became the unlikely stage for one of the most sensational trials in American history. A local substitute teacher, John Scopes, was charged with ...

Third grade teacher Tracey Broughton teaches students at Perry Creek Elementary School in Sioux City. Iowa’s current draft of its K-12 science standards, which include changing the word “evolution” to ...

Bruce Lear lives in Sioux City. He has been connected to public schools for 38 years. He taught for 11 years and represented educators as an Iowa State Education Association regional director for 27 ...