A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
German chemists made a replica of a trophy the size of one molecule.
68
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Scientists aren't sure what color dinosaurs were.
312
One third of the electricity produced on earth is used to power electric light bulbs!
75
Your brain is 80% water.
525
One ragweed plant can release as many as one billion grains of pollen!
51