Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
The bark of an older redwood tree is fireproof.
65
In zero gravity, a candle's flame is round and blue.
16
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
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Iron weighs more after it rusts.
16
Liquid TIDE laundry detergent glows under a blacklight.
96
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65