Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
Cold water weighs more than hot water.
93
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Nearly 50% of the world's scientists are assigned to military projects.
71
Sound travels about 4 times faster in water than in air.
408
