1) The Mariana Trench in the western Pacific Ocean is the deepest part of the world's oceans, reaching a depth of approximately 36,070 feet (10,994 meters).

2) The world's first paper money was created in China over 1,000 years ago.

3) The largest insurance market in the world is Lloyd's of London, which is not an insurance company but a market where insurance brokers and underwriters come together.

4) The corpse flower, or titan arum, is known for its unpleasant smell, often compared to that of rotting flesh.