In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
One cubic mile of seawater contains about 50 pounds of gold.
79
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
In 1850, only 8% of the people in California were women.
0
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14