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In 1844, Charles Goodyear obtained the first patent for a rubber condom.

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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

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Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

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Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Cotton Production and Slave Population, 1800–1860 Cotton Production and Slave Population, 1800–1860
Early cities were small economic centers surrounded by walls to keep out enemies. These cities had ... Early cities were small economic centers surrounded by walls to keep out enemies. These cities had ...
economic question economic question
economic question economic question
economic question economic question
economic question economic question
Video: The Lac Operon in E. Coli

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