The water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
1
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
Forest fires move faster uphill than downhill.
52
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
The state with the longest coastline in the Continental U.S. is Michigan.
31
