One cubic mile of seawater contains about 50 pounds of gold.
79
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
There are approximately three chickens for every human on Earth.
13
It's still possible to see the division between East and West Germany due to different light bulbs.
5
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
The Atlantic Ocean is saltier than the Pacific Ocean.
54
The average ice berg weighs 20,000,000 tons!
54