It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
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Your heart beats over 36 million times a year.
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The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.
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Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.
Tree species richness in North America is correlated with evapotranspiration rate.
Drugs for Heart Failure
Sinus tachycardia.
Relationship between Income Inequality and the Desired Tax Rate
The fish heart has one atrium and one ventricle
In crocodilians, birds, and mammals, the heart has four chambers: two atria and two ventricles. Oxyg