As an iceberg melts, it makes a fizzing sound because of the compressed air bubbles popping in the ice.

There are more than 1,000 chemicals in a cup of coffee. Of these, only 26 have been tested, and half-caused cancer in rats.

The largest ocean liners pay a $250,000 toll for each trip through the Panama Canal. The canal generates fully one-third of Panama's entire economy.

AMAZING FACTS