Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
