If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
It's still possible to see the division between East and West Germany due to different light bulbs.
5
The Atlantic Ocean is saltier than the Pacific Ocean.
54
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181