India used to be the richest country in the world until the British invasion in the early 17th Century.

The iron disulfide (Pyrite) is considered "fool's gold" because it looks very similar to gold.

There was a post office on the Russian space station Mir. Visiting cosmonauts would use unique postal "markers" to stamp envelopes and other items as having flown aboard the Mir space station.

AMAZING FACTS