What if literature was an invention for making us happier and healthier? wenjin chen/Getty Images Shortly after 335 B.C., within a newly built library tucked just east of Athens’ limestone city walls, ...

From penicillin and anesthesia to saccharin and silly putty, chance played a major role in some of the world's great inventions. Some things weren’t meant to be, but in the end, turned about to be ...

America has long been the land of innovation. More than 13,000 years ago, the Clovis people created what many call the “first American invention” – a stone tool used primarily to hunt large game. This ...