Weird Facts X

In 1634, tulip bulbs were a form of currency in Holland. A male kangaroo is called a boomer. Penguins have an organ above their eyes that converts sea water to fresh water. Bamboo makes up 99% of a panda's diet. The first human-made object to break the sound barrier was a whip. Beavers were once the size of bears. The first ballpoint pens were sold in 1945 for $12.00 each.