Vol. 159 No. #26
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More Stories from the June 30, 2001 issue

  1. Health & Medicine

    Critical Care: Sugar Limit Saves Lives

    Strictly controlling blood-sugar concentrations in critically ill patients can reduce deaths by a third.

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  2. Earth

    Ozone flares with fireworks festivities

    Holiday fireworks and sparklers trigger ozone-generating chemical reactions in the lower atmosphere.

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  3. Animals

    Microbe lets mite dads perform virgin birth

    A gender-bent mite—in which altered males give birth as virgins—turns out to be the first species discovered to live and reproduce with only one set of chromosomes.

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  4. Math fears subtract from memory, learning

    In a study of college students, high levels of anxiety about taking mathematics tests interfered with memory processes needed to perform difficult arithmetic problems.

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  5. Animals

    Condor chicks hatch in zoo and wild

    Newly hatched California condor chicks indicate that reproduction is again taking place in the wild.

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  6. Health & Medicine

    Glucose control spares arteries in diabetes

    Very strict control of blood glucose concentrations helps limit atherosclerosis formation in people with type I, or juvenile-onset, diabetes.

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  7. Women show the ways to maturity

    A 39-year study finds three different patterns of healthy psychological development among women, each of which emphasizes particular goals and trade-offs.

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  8. Health & Medicine

    Saving fertility for cancer survivors?

    A compound called sphingosine-1-phosphate preserves fertility in female mice given radiation treatment.

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  9. Health & Medicine

    Boning up with vitamin E

    Vitamin E may ward off osteoporisis—at least in mice.

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  10. Health & Medicine

    Seemingly safer steroid mimics

    A glucocorticoid mimic may offer the autoinflammatory effects of steroids with fewer side effects.

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  11. Health & Medicine

    Alzheimer’s damage might start off early

    Copper and free radicals may initiate the brain damage of Alzheimer's disease long before its hallmark protein plaques have formed.

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  12. Tech

    Dances with Robots

    Soldiers, rescue workers, and others may attain superhuman strength, speed, and endurance as a result of a new military program to develop powered robotic exoskeletons contoured to a person's body.

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