The average home creates more pollution than does the average car.
33
A cubic yard of air weighs about 2 pounds at sea level.
31
Your brain is 80% water.
525
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Each day, up to 150 species of life become extinct.
-23