A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
One cubic mile of seawater contains about 50 pounds of gold.
79
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
Australia's Great Barrier Reef is 1,250 miles long!
45
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
14