Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Liquid TIDE laundry detergent glows under a blacklight.
96
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
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