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Author Question: An asteroid had a grazing encounter with Earth in _______________ in 1908, destroying 1000 square ... (Read 27 times) |
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There are approximately 3 million unintended pregnancies in the United States each year.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.