The only letter not appearing on the Periodic Table is the letter "J".
180
A ball of glass will bounce higher than a ball made of rubber.
73
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Scientists aren't sure what color dinosaurs were.
312
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21