Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
A cubic yard of air weighs about 2 pounds at sea level.
31
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Scientists in Germany have developed a candy that doesn't cause cavities.
11
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Most dust particles in your house come from dead skin.
48