Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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At room temperature, the average air molecule travels at the speed of a rifle bullet.
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Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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Airports that are at higher altitudes require a longer airstrip due to lower air density.
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The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
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A ball of glass will bounce higher than a ball made of rubber.
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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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MIT has developed a camera that captures the speed of light at a trillion frames per second.
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