The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Nearly 50% of the world's scientists are assigned to military projects.
71
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
In zero gravity, a candle's flame is round and blue.
16