Nylon is made from coal and petroleum.
42
Nearly 50% of the world's scientists are assigned to military projects.
71
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Most dust particles in your house are made from dead skin!
67
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7