There are 20 feet of blood vessels in each square inch of human skin.
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Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.
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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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There are 60,000 miles of blood vessels in every adult human.
In the summer of 1793, a yellow fever epidemic struck Philadelphia, killing nearly 4,000. Tens of th
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A 40.0-kg crate is being raised by means of a rope. Its upward acceleration is 2.00 m/s2. What ...
Movement of acorns by blue jays allows gene flow between oak populations