Most dust particles in your house come from dead skin.
48
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
A cubic yard of air weighs about 2 pounds at sea level.
31
The storage capacity of human brain exceeds 4 Terrabytes.
140
The smell of freshly cut grass is actually a plant distress call.
31
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1