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When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

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In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

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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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The horizontal fraction bar was introduced by the Arabs.

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Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Operant conditioning, also known as trial-and-error learning. Operant conditioning, also known as trial-and-error learning.
Both humans and apes readily engage in learned imitative behavior. Both humans and apes readily engage in learned imitative behavior.
Alcohol, Mating, and Aggressive Behavior in Monkeys Alcohol, Mating, and Aggressive Behavior in Monkeys
Although most gestures are learned, and therefore vary from culture to culture, some gestures that ... Although most gestures are learned, and therefore vary from culture to culture, some gestures that ...
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Video: Reflex arc construction

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