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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.
The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
![This girl ran four spinning machines in a cotton mill in Whitnel, North Carolina. Only 4 feet, 3 inc](https://biology-forums.com/gallery/47/medium_6_24_08_15_12_36_52_224172425.jpeg)
![An oscillating needle 1 or 2 inches Hg below normal could indicate an incorrect air–fuel mixture ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_4_15_51_29687328.png)