The only letter not appearing on the Periodic Table is the letter "J".
180
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
For every gallon of sea water, you get more than a quarter pound of salt.
45
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9