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Author Question: Bell Telephone Laboratories invented the ________, which replaced the vacuum tube. (Read 192 times) |
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.
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The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.