Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
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
A ball of glass will bounce higher than a ball made of rubber.
73
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Neanderthal man had a brain capacity 100cc larger than modern man's.
50