One cubic mile of seawater contains about 50 pounds of gold.
79
It's still possible to see the division between East and West Germany due to different light bulbs.
5
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55