Used for water distribution, the Delaware Aqueduct in New York, USA is the longest tunnel in the world (as of 2010). Drilled through solid rock, it reaches a staggering 137 kilometres (85 miles) in length. More tunnel facts.

Borborygmi is the noise that your stomach makes when you are hungry.

Between 1942 and 1944, Academy Awards were made of plaster.

AMAZING FACTS