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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).
Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.
The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
![A rocky shore at low tide, showing the great abundance that can be attained by populations of intert](https://biology-forums.com/gallery/47/medium_33_28_08_11_12_16_04_1593395.jpeg)
![This fisherwoman from Kerry, one of the poorest counties in Ireland, may have been one of the many t](https://biology-forums.com/gallery/47/medium_375552_19_08_15_9_09_52_223251800.jpeg)