Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
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Most dust particles in your house are made from dead skin!
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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 sun is 330,330 times larger than the earth.
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The smell of freshly cut grass is actually a plant distress call.
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In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
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Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
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