Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Each day, up to 150 species of life become extinct.
-23
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Most dust particles in your house come from dead skin.
48