Hot water can freeze faster than cold water.
181
German chemists made a replica of a trophy the size of one molecule.
68
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Your brain is 80% water.
525
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11