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Author Question: If a projectile is fired straight up at a speed of 10 m/s, neglecting air resistance, the time it ... (Read 61 times) |
Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.
The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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.
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).