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  1. Antidepressants trim suicide tries

    Treating depression with antidepressant drugs reduces the risk of suicide.

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  2. 19861

    I was surprised to find no mention in this article of the possibility that the decline in suicide attempts might be owed merely to the hope generated by beginning a treatment, rather than the treatment itself. I have known depression sufferers to be nearly euphoric after starting a new treatment. Karen AikenSan Francisco, Calif.

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  3. Computing

    Virtual Surgery

    Computer simulations of blood flow in the heart allow doctors to test surgical innovations before trying them on patients.

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  4. Animals

    Not-So-Elementary Bee Mystery

    Old-style epidemiology casework combines with an array of 21st-century lab tests in the search for clues to the disappearance of honeybees.

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  5. 19860

    In this article the researchers postulate six reasons for the collapse of the bee colonies. The reason, in my opinion, is evident when considering the extensive use of insecticides throughout the world. Wally McMillanPalo Alto, Calif.

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  6. Humans

    From the July 17, 1937, issue

    Tung trees from China make their mark in the southeastern United States, early concerns about oil shortages, and a suggestion that telescopes might already be seeing almost to the edge of the universe.

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  7. Health & Medicine

    Phytochemical Beauty

    Our Food For Thought column recently published two offerings on health-related findings about genistein, a soybean constituent. Ever wonder what that chemical looks like? Or how about capsaicin—the spicy agent in hot chilies being explored as a painkiller, lycopene—the red pigment in watermelons that may protect our skin against harmful ultraviolet rays, or sulforaphane—a trace […]

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  8. Chemical Conversation: Red blood cells send a signal that makes platelets less sticky

    Red blood cells can send a chemical signal that makes platelets less sticky, easing blood flow through narrow vessels.

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  9. Health & Medicine

    Brain Seasoning: A common spice could deter Alzheimer’s

    A compound in the curry spice turmeric restores the ability of immune system cells to destroy plaques linked to Alzheimer's disease.

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  10. Animals

    Den Mothers: Bears shift dens as ice deteriorates

    As Arctic ice has dwindled, pregnant polar bears in northern Alaska have become more likely to dig their birthing dens on land or nearshore ice than on floating masses of sea ice.

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  11. Computing

    Check on Checkers: In perfect game, there’s no winner

    Thanks to an immense calculation that worked out every possible game position, computers can now play a flawless game of checkers and force a draw every time.

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  12. 19859

    This article stated that the last player with pieces on the board is the winner. This is not accurate. In fact, no pieces have to be jumped at all for a game to have a winner. The all-encompassing rule is that the last player who has no available move when it is his or her […]

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