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Author Question: In a contest, two tractors pull two identical blocks of stone the same distance over identical ... (Read 1170 times) |
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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
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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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Thyroid conditions may make getting pregnant impossible.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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Excessive alcohol use costs the country approximately $235 billion every year.