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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If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
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The Earth's atmosphere weighs about 5.5 quadrillion tons.
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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.
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One third of the electricity produced on earth is used to power electric light bulbs!
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MIT has developed a camera that captures the speed of light at a trillion frames per second.
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German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
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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.
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