Balsa wood is classified as a hard wood!
41
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
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
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Most dust particles in your house come from dead skin.
48
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
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
Neanderthal man had a brain capacity 100cc larger than modern man's.
50