Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Nylon is made from coal and petroleum.
42
For every gallon of sea water, you get more than a quarter pound of salt.
45
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42