Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Balsa wood is classified as a hard wood!
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A 'jiffy' is an actual unit of time for 1/100th of a second!
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Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
At room temperature, the average air molecule travels at the speed of a rifle bullet.
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All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
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