The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
In 1850, only 8% of the people in California were women.
0
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
One cubic mile of seawater contains about 50 pounds of gold.
79
The Sahara desert expands at about 1km per month.
90