The closest thing to utopia the world has ever seen might have existed in a Maryland barn for a couple of years during the late 1960s: a complex built for rodents as part of a science experiment. The ...

Paul Ehrlich's death last month is a reminder of how careless extrapolations from one field of knowledge to another can still ...

Add Yahoo as a preferred source to see more of our stories on Google. Wikimedia Commons People predicting the end of world generally make those predictions without scientific evidence to support them.