Charles Darwin's personal pet tortoise didn't die until recently. The average person will spend six months of their life waiting for red lights to turn green. A bolt of lightning contains enough energy to toast 100,000 slices of bread. President Lyndon B. Johnson owned a water-surfing car. Cherophobia is the word for the irrational fear of being happy. You can hear a blue whale's heartbeat from two miles away. Nearly 30,000 rubber ducks were lost a sea in 1992 and are still being discovered today. There's a Manhattan-specific ant. The inventor of the frisbee was turned into a frisbee after he died. There's a bridge exclusively for squirrels. Subway footlongs aren't always a foot long.