Flickr/scott*eric Squinting causes two reactions that help you visualize the world around you in better detail. First, it changes the shape of our ey...
Julia La Roche for Business Insider Today I found out why your palms get sweaty when you're nervous. Ever been on the edge of a cliff or looking out ...
Flickr/My Huy StreetphotographyWhen someone says a substance is addictive, they can mean two separate things. Physically addictive, more accurately p...
Joe Raedle/Getty ImagesI'm going to assume this question is only inquisitorial in nature and you have no homicidal or suicidal thoughts. You're corre...
Wikimedia Commons "The South Sea Bubble" by Edward Matthew Ward Building on a long tradition of catastrophic financial market crashes, the economic m...