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Author Question: OSHA dictates that fax machines only be used in the event other modes of transmission fail to ... (Read 17 times) |
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
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).
In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.