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HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

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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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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

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Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

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Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Comparing allele and genotype frequencies in a population with the Hardy-Weinberg equation and a Pun Comparing allele and genotype frequencies in a population with the Hardy-Weinberg equation and a Pun
Therapeutic index: (a) drug X has a therapeutic index of 4; (b) drug Z has a therapeutic index of 2 Therapeutic index: (a) drug X has a therapeutic index of 4; (b) drug Z has a therapeutic index of 2
Heat Index Heat Index
Population and Settlement Population and Settlement
Stretch shoulder in horizontal flexion by grasping at the forearm and reaching the entire arm across ... Stretch shoulder in horizontal flexion by grasping at the forearm and reaching the entire arm across ...
Policies on fertility and population growth Policies on fertility and population growth
Video: Vasectomy

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