Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Sound travels about 4 times faster in water than in air.
408
Pumice is the only rock that floats on water.
14
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101