Over the past 150 years scientists have discovered evidence that at least twenty-seven species of humans evolved on planet Earth. These weren't simply variations on apes, but upright-walking humans wh
A look at what makes us human draws upon scientific evidence and identifies six traits--the big toe, an opposable thumb, the pharynx, and the ability to laugh, cry, and kiss--that separate humans from
The fascinating evolutionary links between six seemingly unremarkable traits that make us the very remarkable creatures we are. Countless behaviors separate us from the rest of the animal kingd
This gripping narrative explores today's scientific pursuit of immortality, with exclusive visits inside Silicon Valley labs and interviews with the visionaries who believe we will soon crack into the
The actor who played Captain Kirk on the original "Star Trek" series visits laboratories around the world to investigate scientific research and technological innovations influenced by the "Star Trek"
