The average home creates more pollution than does the average car.
33
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Pumice is the only rock that floats on water.
14
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
One cubic foot of gold weighs more than 1,200 pounds!
78
Diamonds can be shattered with a hammer.
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