Uncategorized

  1. Ecosystems

    Predators return

    Warming waters could push new predators into Antarctica's delicate ecosystems.

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  2. Agriculture

    Resistance to Bt crops emerges

    Resistance to pest-killing cotton crops is spreading among one species of caterpillar, but techniques to prevent the spread of resistance appear to be working for five other species.

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  3. Gene variants shield against depression

    Some child-abuse victims possess specific variations in a stress-regulating gene that decrease their likelihood of developing moderate or severe depression as adults, a research team reports.

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  4. Health & Medicine

    Nurturing Our Microbes

    Nurturing the microbes living in the human body can pay dividends—from shortening the length of colds to fighting obesity and osteoporosis.

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  5. Micromanagers

    Some scientists believe the human brain is the creation of RNA. Only noncoding RNAs are plentiful, and powerful enough to handle the billions of complex interactions the brain faces every day.

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  6. Math

    A Mathematical Tragedy

    Sophie Germain had a bold program to prove Fermat's Last Theorem, but it was doomed to fail.

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  7. Humans

    Letters from the March 1, 2008, issue of Science News

    Big evolvers Regarding “Whales Drink Sounds: Hearing may use an ancient path” (SN: 2/9/08, p. 84), I have heard that whales evolved millions of years ago into their present form, including their very large brains. We humans must be relatively recent in terms of our brain structures. Are there data concerning evolutionary development in whales? […]

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  8. Math

    An Attack on Fermat

    The first female research mathematician had a program to solve Fermat's Last Theorem, and it was almost lost to history.

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  9. Astronomy

    New Worlds Atlas

    Keep track of the ever-expanding list of newly discovered planets orbiting distant suns at PlanetQuest 2.0, a revamped Website developed by NASA’s Jet Propulsion Laboratory. It has images, “planet system visualizations,” movies and games that simulate interstellar exploration, and even lets you install a desktop planet counter so that your computer always displays the latest […]

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  10. Humans

    From the February 19, 1938, issue

    A rough, tough charioteer from ancient Sumer, Americans' poor eating habits, and digging up an early industrial town.

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  11. Internet Seduction: Online sex offenders prey on at-risk teens

    Most online sex crimes involve adults seducing psychologically vulnerable teenagers into sexual relationships, a finding at odds with public fears of Internet-using children falling prey to deceptive, violent sexual predators.

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  12. Earth

    Defining Toxic: Federal agencies look to cells, not animals, for chemical testing

    Government scientists are collaborating to shift the testing of potentially toxic chemicals away from animals to methods that use high-speed automated robots, which should generate data relevant to humans faster and more cheaply than current methods.

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