Each day, up to 150 species of life become extinct.
-23
One 75-watt bulb gives more light than three 25-watt bulbs.
57
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Sound travels fifteen times faster through steel than through air.
134
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1