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 hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Most dust particles in your house come from dead skin.
48
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Billions of neutrinos pass unnoticed through your body every second.
6
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44