Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Each day, up to 150 species of life become extinct.
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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.
51
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
The left ear is more responsive to words of love and emotion whispered into it than the right.
40