Directed evolution is a laboratory technique that mimics natural selection and allows scientists to evolve genes and the ...
In fact, it's happened so often that there's a scientific term for it: carcinization. If you close your eyes and think of a crab, you might picture a round, flat body. Big front claws and multiple ...
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.