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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

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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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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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Medication errors are three times higher among children and infants than with adults.

Avogadro's number calculation Avogadro's number calculation
Number of lower molar cusps is one of the features used to distinguish sundadonts from sinodonts. Number of lower molar cusps is one of the features used to distinguish sundadonts from sinodonts.
Norman Bel Geddes, with Dr. Otto Koller, Air Liner Number 4. Norman Bel Geddes, with Dr. Otto Koller, Air Liner Number 4.
How Much Is Enough? The Explosion In The Number of U.S. Prisoners How Much Is Enough? The Explosion In The Number of U.S. Prisoners
The charge for telephone calls T is partly constant and partly varies with the number N of ... The charge for telephone calls T is partly constant and partly varies with the number N of ...
Number writing practice 1-30 kindergarten Number writing practice 1-30 kindergarten
Video: Immune responses Animation

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