Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Pumice is the only rock that floats on water.
14
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Most dust particles in your house come from dead skin.
48
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
In zero gravity, a candle's flame is round and blue.
16