Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
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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.
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There are 60,000 miles of blood vessels in every adult human.
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Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.
Increasing Costs of Natural Disasters
This chart illustrates the “drip down” model of government. In this, politics is formed by the soc
There Is a Difference between Natural and Added Sugars
Acid–Base Balance
chemistry lab - acid base titration
For the circuit in Figure 1, assume ideal diodes. The peak inverse voltage is approximately