Your brain is 80% water.
525
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Liquid TIDE laundry detergent glows under a blacklight.
96
One ragweed plant can release as many as one billion grains of pollen!
51