Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
The sun is 330,330 times larger than the earth.
75
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
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
Balsa wood is classified as a hard wood!
41