Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Out of all the senses, smell is most closely linked to memory.
146
The sun is 330,330 times larger than the earth.
75
Sound at the right vibration can bore holes through a solid object.
134
For every gallon of sea water, you get more than a quarter pound of salt.
45
If the chemical sodium is dropped into water it will immediately and violently explode.
67