Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
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
One third of the electricity produced on earth is used to power electric light bulbs!
75