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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

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