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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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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.
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.