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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

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Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

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The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

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Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Comparison of small subunit rRNA gene sequences from three eukaryotes and three bacterial species Comparison of small subunit rRNA gene sequences from three eukaryotes and three bacterial species
Invasive species in Canada include (a) zebra mussels, Dreissena polymorpha, (b) sea lamprey, Petromy Invasive species in Canada include (a) zebra mussels, Dreissena polymorpha, (b) sea lamprey, Petromy
Hemiphlebia mirabilis, the Ancient Greenling, is a species of damselfly in family Hemiphlebiidae. Hemiphlebia mirabilis, the Ancient Greenling, is a species of damselfly in family Hemiphlebiidae.
An image comparing the brain sizes of different species. An image comparing the brain sizes of different species.
Before the advent of vaccinations and antibiotics, infectious diseases such as cholera were the scou Before the advent of vaccinations and antibiotics, infectious diseases such as cholera were the scou
A BLAST alignment between human myoglobin and human a-globin showing a 25% sequence identity A BLAST alignment between human myoglobin and human a-globin showing a 25% sequence identity
Video: Red alga life cycle Animation

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