Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Sound travels about 4 times faster in water than in air.
408