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Author Question: In a contest, two tractors pull two identical blocks of stone the same distance over identical ... (Read 580 times) |
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
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There are more sensory neurons in the tongue than in any other part of the body.
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Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.
This 11-month old girl demonstrates one of the abilites of a child of this age group - creating a to
Upper Paleolithic stone tools include blade-based tools as seen here being produced from a blade cor