If you could remove all of your skin, it would weigh up to 5 pounds.
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The FDA recognizes 118 routes of administration.
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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
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The horizontal fraction bar was introduced by the Arabs.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
Basic brain diagram
The lost-wax casting process.
Deliberative nursing is a constant process of validating perceptions, thoughts, and feelings.
The basic structure of the IL-2 receptor.
Basic principle of target-probe hybridization in microarray chips.