The only letter not appearing on the Periodic Table is the letter "J".
180
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
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
Nylon is made from coal and petroleum.
42
Billions of neutrinos pass unnoticed through your body every second.
6
In zero gravity, a candle's flame is round and blue.
16
If the chemical sodium is dropped into water it will immediately and violently explode.
67
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199