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Author Question: In a contest, two tractors pull two identical blocks of stone the same distance over identical ... (Read 2465 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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Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
This 11-month old girl demonstrates one of the abilites of a child of this age group - creating a to
Uranus revolves around the Sun once every 84 Earth years. Its average distance from the Sun is rough