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Author Question: In one study, short-lookers in infancy had higher IQs and _____ when they were followed up 20 years ... (Read 55 times) |
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
The average office desk has 400 times more bacteria on it than a toilet.
Asthma cases in Americans are about 75% higher today than they were in 1980.
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.
It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.