The average temperature at 40,000 feet above sea level is -60 F.
56
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
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Billions of neutrinos pass unnoticed through your body every second.
6
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
A single speck of dust is half way in size between a subatomic particle and the Earth.
15