Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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Out of all the senses, smell is most closely linked to memory.
146
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
One third of the electricity produced on earth is used to power electric light bulbs!
75
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51