Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).
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There are approximately 3 million unintended pregnancies in the United States each year.
Assessment of Cutaneous Hypersensitivity, Stimulate the Skin with a Sterile Needle
Preparation of sterile field 1
René Descartes (1596–1650). French philosopher considered the founder of modern philosophy. A ...
Examples of sterile swabs (removed from protective wrappers).