The only letter not appearing on the Periodic Table is the letter "J".
180
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
If the chemical sodium is dropped into water it will immediately and violently explode.
67
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
For every gallon of sea water, you get more than a quarter pound of salt.
45
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Sound travels fifteen times faster through steel than through air.
134
Cold water weighs more than hot water.
93