Some say a fierce, hairless, doglike animal terrorizes livestock, draining them of their blood. Called the chupacabra, this animal is a legend derived from the sighting of a freaky creature in San Juan, Puerto Rico. But the original sighting and today's reports don't match up, and no conclusive evidence has ever been found about the chupacabra. Readers investigate the history of this creepy animal and learn how science has busted many myths about...