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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
By definition, when a medication is administered intravenously, its bioavailability is 100%.
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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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