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Approximately 500,000 babies are born each year in the United States to teenage mothers.
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
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).
Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").