In 1850, only 8% of the people in California were women.
0
More than 25% of the world's forests are in Siberia.
51
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
Mexico City is built on top of an underground resevoir!
47
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
It's still possible to see the division between East and West Germany due to different light bulbs.
5
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119