Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
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
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
The storage capacity of human brain exceeds 4 Terrabytes.
140
Most dust particles in your house come from dead skin.
48