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Author Question: In her human sexuality class, Elsa's professor probably explained to the class that the vas ... (Read 49 times) |
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Vaccines prevent between 2.5 and 4 million deaths every year.
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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.
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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
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There are 60,000 miles of blood vessels in every adult human.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Abundant cave art after about 30,000 years ago is evidence of the importance of symbolic behavior fo
The relative influence of heredity and the environment in human behavior has fascinated and plagued ...