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Author Question: Klasen, Usher, and Bong studied teachers from three different countries to assess their levels of ... (Read 76 times) |
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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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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Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.
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Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.