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Author Question: Although identical twins share 100 of their genetic code and are often similar, they are never truly ... (Read 74 times) |
Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.
Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.