Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
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One 75-watt bulb gives more light than three 25-watt bulbs.
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The hair of an adult man or woman can stretch 25 percent of its length without breaking.
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Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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Most dust particles in your house come from dead skin.
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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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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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Most liquid laundry detergents are alive with living organisms that help to break down stains!
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