Social media isn’t just for catching up on your friends’ lives, liking every single photo of your cousin’s new puppy or casually seeing what your ex is up to. It’s also a place where tricky brain ...

This past summer, the pharmaceutical giant launched InnoCentive.com, a Web site where scientists from Big Pharma and start-up biotechs post problems for outside researchers to solve. Companies signed ...

London Bridge isn't falling down—it's taking center stage in this viral riddle. Can you solve the "I met a man on the London Bridge" riddle? Have you heard of the “I met a man on the London Bridge” ...

Riddles are a type of brain teaser that comes in the form of questions, sentences, or statements. Riddles are great brain ...