Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
Europe is the only continent without a desert.
62
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
The state with the longest coastline in the Continental U.S. is Michigan.
31
One cubic mile of seawater contains about 50 pounds of gold.
79
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56