Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
Did you know?
Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.
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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.
The pattern of primary succession at Glacier Bay, Alaska.
Cellular locations of pattern recognition molecules of the innate immune system
Nurses may collaborate with social workers, physicians, and other members of the health care team to
How to find the limits of trigonometry functions
Solve Diophantus’s Problem B–8: To find two numbers such that their difference a