There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.
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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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There are 60,000 miles of blood vessels in every adult human.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
TYPES OF RESEARCH
Change in Drawing Abilities from Early to Middle Childhood Drawings become more realistic as fine m
Tornado Formation: Supercell Tornado Development
Recent research suggests that zinc lozenges and nasal gels may help reduce the severity