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
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Balsa wood is classified as a hard wood!
41
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
4.5 pounds of sunlight strike the Earth each day.
27
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1