The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Sound travels about 4 times faster in water than in air.
408
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
For every gallon of sea water, you get more than a quarter pound of salt.
45
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The only letter not appearing on the Periodic Table is the letter "J".
180
Nylon is made from coal and petroleum.
42