Scientists in Germany have developed a candy that doesn't cause cavities.
11
If the chemical sodium is dropped into water it will immediately and violently explode.
67
The bark of an older redwood tree is fireproof.
65
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
The sun is 330,330 times larger than the earth.
75
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17