Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Aluminum used to be more valuable than gold!
84
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
One third of the electricity produced on earth is used to power electric light bulbs!
75
The only letter not appearing on the Periodic Table is the letter "J".
180
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17