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Author Question: Albert uses as his unit of length (for walking to visit his neighbors or plowing his fields) the ... (Read 52 times) |
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Vaccines prevent between 2.5 and 4 million deaths every year.
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There are 60,000 miles of blood vessels in every adult human.
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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.