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
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Diamonds can be shattered with a hammer.
-104
Nylon is made from coal and petroleum.
42