Iron weighs more after it rusts.
16
One cubic foot of gold weighs more than 1,200 pounds!
78
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
Indoor pollution is 10 times more toxic than outdoor pollution.
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In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3