Peanuts are one of the ingredients of dynamite. Your brain is 80 percent water. Plymouth Rock weighs seven tons. Elephants stand on their feet for 30 or 40 years. Humming birds can't stand.
Earthworms have five hearts.
One cord of wood can make seven and one-half million toothpicks. A kangaroo can hop along at a clip of 40 miles per hour. Tennis balls can travel in excess of 105 mph when hit by a tennis raquet. An inch-thick rope of spider's silk can withstand up to 148,000 pounds of pressure. Jellyfish can evaporate.