A visitor to the "Darwin" exhibit inspects a display with illustration of animals, plants and insects during a press preview at the American Museum of Natural History in New York, in this Nov. 15, ...

When it comes to communication, a human infant starts out with hand gestures, much as baby chimps and bonobos do, and all three of those species shift to using more symbols as they grow up. But the ...

The Texas State Board of Education voted Friday to block science lessons published by eight companies from appearing on an influential statewide list of textbook providers, citing problems with the ...