It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
The Atlantic Ocean is saltier than the Pacific Ocean.
54
The state of Florida is bigger than England!
74
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
More than 25% of the world's forests are in Siberia.
51
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63