Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
German chemists made a replica of a trophy the size of one molecule.
68
For every gallon of sea water, you get more than a quarter pound of salt.
45
No matter how cold it gets, gasoline will not freeze.
107
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
Sound travels about 4 times faster in water than in air.
408
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3