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Did you know?
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.
Did you know?
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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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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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.