Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Sound travels about 4 times faster in water than in air.
408
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
The sun is 330,330 times larger than the earth.
75
The force of a suction cup is calculated using F=AP.
15
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108