In 1994, orthopedic surgeon Tony Cicoria called his mom from a pay phone during a lake house trip. They’d hung up, but he still had the phone in his hand when a blue flash came out. He hadn’t realized ...

Four lifelike reconstructions of prehistoric humans have been unveiled — including a model of a species often dubbed "the hobbit," which, as an adult, was about the same height as a modern 4-year-old.

Human biology evolved for a world of movement, nature, and short bursts of stress—not the constant pressure of modern life.