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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.
Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.
The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.
The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
![Many electronic components are used to construct a typical vehicle computer. Notice the quantity of ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_8_05_56_298821042.png)
![Typical ignition timing map developed from testing and used by the vehicle computer to provide the ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_8_05_57_29883514.png)