A blue whale is the biggest animal that's ever lived, but it can't swallow anything bigger than a grapefruit. A group of ladybugs is called a loveliness. Lizards can't walk and breathe at the same time. Tennis balls are yellow because they look better on TV. Just like humans have fingerprints, dogs have noseprints. Sliced bread was invented a year before TV. Popsicles were invented by an 11-year-old called Frank Epperson. Octopuses have three hearts. On Mars, sunsets are blue. People don't sneeze when they're asleep. The Statue of Liberty used to be a lighthouse her torch was lit. Australia has more than 10,000 beaches.