Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Iron weighs more after it rusts.
16
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
For every gallon of sea water, you get more than a quarter pound of salt.
45