About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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There are 20 feet of blood vessels in each square inch of human skin.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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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.
An example of color blindness test. A person with red-green color blindness would not be able to dis
Booker T. Washington in his office at Tuskegee Institute, 1900. Washington chose a policy of accommo
Question
How to set up and solve linear models (Question 4)