One cubic mile of seawater contains about 50 pounds of gold.
79
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
The average ice berg weighs 20,000,000 tons!
54
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55