The skin of what type of animal is used to treat burns?
Fish skin, usually from Atlantic cod or Nile tilapia, has anti-inflammatory and anti-bacterial properties that support healing of some wounds including burns and diabetic foot ulcers.
How did John Snow stop a cholera outbreak?
In 1854, physician John Snow traced a London cholera outbreak to a public water pump on Broad Street and had its handle removed.
Reference: Encyclopaedia Britannica
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Who discovered the bacterium that causes tuberculosis?
Robert Koch identified the bacterium that causes tuberculosis in 1882, and World Tuberculosis Day is held on March 24, the anniversary of his announcement.
What was Ether Day?
On October 16, 1846, dentist William Morton gave the first public demonstration of surgery using ether anesthesia at Massachusetts General Hospital, a date now called "Ether Day."