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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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.