Each day, up to 150 species of life become extinct.
-23
In zero gravity, a candle's flame is round and blue.
16
For every gallon of sea water, you get more than a quarter pound of salt.
45
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
The sun is 330,330 times larger than the earth.
75
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
A 'jiffy' is an actual unit of time for 1/100th of a second!
66