Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
One 75-watt bulb gives more light than three 25-watt bulbs.
57
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
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Hot water can freeze faster than cold water.
181
In zero gravity, a candle's flame is round and blue.
16