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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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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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It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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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.