The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Hot water can freeze faster than cold water.
181
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Cold water weighs more than hot water.
93