Mexico City is built on top of an underground resevoir!
47
There are more than 50,000 earthquakes throughout the world every year!
47
The Atlantic Ocean is saltier than the Pacific Ocean.
54
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 water of the Antarctica is so cold that nothing can rot there.
334
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
The Sahara desert expands at about 1km per month.
90