Humans

  1. Health & Medicine

    RNA interferes with cancer-cell growth

    To curb the growth of cancer cells, scientists are silencing genes by introducing small strands of RNA.

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  2. Health & Medicine

    Chocolate Hearts

    Preliminary studies indicate that moderate consumption of chocolate products may offer cardiovascular benefits.

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  3. Humans

    Message in DNA tops Science Talent Search

    A project on encrypting words within a strand of DNA won the top prize at the Intel Science Talent Search.

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  4. Health & Medicine

    Olfactory cells aid spine healing in rats

    Injections of olfactory ensheathing glial cells from the brain help severed spinal cords heal in rats.

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  5. Humans

    From the September 17, 1932, issue

    ANOTHER GREAT WALL The Great Wall of China, winding like a mighty, protecting serpent along the old northern boundary of the Celestial Kingdom– Hadrian’s Wall, the Great Wall of Britain, built and fortified to shut the barbarians of the north out of southern Britain in Roman days– And now, added to this small, select list […]

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  6. Health & Medicine

    Conquering Surgical Pain

    Created by the Neurosurgical Service at the Harvard Medical School and Massachusetts General Hospital (MGH), these fascinating Web pages chronicle the introduction of ether as an anesthetic in 1846 at MGH and subsequent developments in anesthesiology. Go to: http://neurosurgery.mgh.harvard.edu/History/ether1.htm

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  7. Health & Medicine

    Chocolate Therapies (with Recipe for Janet’s Chocolate Medicinal Mousse Pie)

    Recently harvested cacao pods. Each holds several dozen seeds, from which chocolate and cocoa are made. (Allen M. Young) Copy of 1688 engraving by Phillippe Sylvestre Dufour of South American native with a chocolate pot and drinking cup at his feet and a molinet to stir the medicinal brew in his left hand. In his […]

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  8. Humans

    From the March 15, 1930, issue

    LARGEST BOILER One of the three largest boilers in the world is shown on the front cover. The boilers were recently installed in the East River station of the New York Edison Company to run the largest single-unit electric generator in the world. If this 215,000-horsepower turbo-generator had been developed in 1906, it could have […]

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  9. Health & Medicine

    Is Snoring a DiZZZease?

    Snoring may trigger high blood pressure, which can lead to heart disease or stroke.

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  10. Health & Medicine

    HIV sexual spread exploits immune sentinels

    The virus that causes AIDS latches onto a protein called DC-SIGN to hitch a ride on immune cells in mucus membranes and spread through the body.

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  11. Health & Medicine

    Cell transplants combat diabetes in mice

    Scientists have successfully reversed diabetes in mice by harvesting immature pancreatic cells that make insulin from one mouse, growing them in culture, and transplanting them into a mouse with the disease, which then recedes.

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  12. Health & Medicine

    Smoking Gun? Mouse tests link nicotine to crib death

    Nicotine may impair a molecule that's necessary for arousing people and other animals from sleep, an effect that could account for the heightened risk of sudden infant death syndrome in babies born to women who smoked during pregnancy.

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