Most dust particles in your house come from dead skin.
48
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
One cubic foot of gold weighs more than 1,200 pounds!
78
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
One ragweed plant can release as many as one billion grains of pollen!
51
Your brain is 80% water.
525
Brass doorknobs automatically disinfect themselves in about 8 hours.
18