In 1850, only 8% of the people in California were women.
0
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
Check your map! Virginia extends farther west than West Virginia.
67
The state of Florida is bigger than England!
74
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48