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.

In the 1960s, behavioral researcher John Calhoun created what he hoped would be a kind of paradise—at least for rodents. His experiment, now known as Mouse Utopia, offered everything a mouse could ...

Editor’s Note: Eric, here. 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 ...