One barrel of petroleum holds 42 gallons.
20
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 force of a suction cup is calculated using F=AP.
15
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Diamonds can be shattered with a hammer.
-104
Each day, up to 150 species of life become extinct.
-23
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
No matter how cold it gets, gasoline will not freeze.
107