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Author Question: Two radio antennas are 10 km apart on a north-south axis on high mountain tops at the seacoast. The ... (Read 44 times) |
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Thyroid conditions may make getting pregnant impossible.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.
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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.