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.

Have you ever wondered what happens when animals are given everything they could ever need, like food, shelter, and safety, without having to struggle for living? In the 1960s, a scientist named John ...

Editor’s Note: As InvestorPlace Digest writer Jeff Remsburg details in a recent piece, renowned behavioral researcher John B. Calhoun conducted a series of experiments that, by creating a “utopia” for ...