Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
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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.
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Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
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A 'jiffy' is an actual unit of time for 1/100th of a second!
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Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
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Airports that are at higher altitudes require a longer airstrip due to lower air density.
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Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
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The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
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