Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Nylon is made from coal and petroleum.
42
Each day, up to 150 species of life become extinct.
-23
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
The left ear is more responsive to words of love and emotion whispered into it than the right.
40