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Author Question: What would a visitor approaching Earth from space see 4.4 billion years ago? A) a blue planet due to ... (Read 18 times) |
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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.
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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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Green tea is able to stop the scent of garlic or onion from causing bad breath.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.