Liquid TIDE laundry detergent glows under a blacklight.
96
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Sound travels about 4 times faster in water than in air.
408
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Sound travels fifteen times faster through steel than through air.
134
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
The force of a suction cup is calculated using F=AP.
15