Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
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
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
The sun is 330,330 times larger than the earth.
75
The storage capacity of human brain exceeds 4 Terrabytes.
140