Every year, Alaska has about 5,000 earthquakes.
31
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
Australia's Great Barrier Reef is 1,250 miles long!
45
The water of the Antarctica is so cold that nothing can rot there.
334
The state with the longest coastline in the Continental U.S. is Michigan.
31
Forest fires move faster uphill than downhill.
52
The Sahara desert expands at about 1km per month.
90