Chinese alligators are found in the Yangtze River but they are critically endangered and only a few remain in the wild.

Money notes are not made from paper, they are made mostly from a special blend of cotton and linen. In 1932, when a shortage of cash occurred in Tenino, Washington, USA, notes were made out of wood for a brief period.

Hydrogen solid is the most dense substance in the world, at 70.6g/cc.

AMAZING FACTS