What's haunting Carrie Poppy? Is it ghosts or something worse? In this talk, the investigative journalist narrates her encounter with a spooky feeling you'll want to warn your friends about and explains why we need science to deal with...

Did you know there are two different types of chupacabras? Or that these bloodsucking monsters only starting popping up 25 years ago? Sightings of el chupacabras, the “goatsucker,” began in Puerto Rico in 1994 for a very real reason—the...