Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Scientists are working on a portable spray-on-skin that can heal severe wounds in just a few minutes.The spray mainly contains important proteins that can reprogram the injured cells to become stem cells, and back to young uniformed skin cells. So far they were able to accelerate healing process from 12 weeks to 21 days with a similar approach.
16