Feature

  1. Materials Science

    Making the Most of It

    A recent crop of studies demonstrates how nature finds strength in unlikely places.

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  2. Paleontology

    Out of the Shadows

    An ongoing flurry of fossil finds is triggering a reevaluation of how early mammals and their close kin eked out an existence during the Age of Dinosaurs.

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  3. Ecosystems

    Light All Night

    New digital images demonstrate that artificial light from urban areas penetrates deep into some of America's most remote wild places, where it may disrupt ecosystems that have evolved with a nightly quota of darkness.

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  4. Prescription for Controversy

    Increasing concerns about the efficacy and safety of a popular class of antidepressant drugs, selective serotonin reuptake inhibitors, especially in depressed youth, has sparked regulatory action and scientific debate.

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  5. Astronomy

    Peeling Back Orion’s Layers

    By studying the most detailed portrait ever assembled of the Orion nebula, astronomers hope to glean new insights about star birth throughout the galaxy.

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  6. Math

    All Square

    Mathematicians nail down when it's possible to express numbers as the sums of squares.

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  7. Ecosystems

    Saving Sturgeon

    Sturgeon species around the world are in trouble, which is why humans will increasingly be stepping in to give them a big assist.

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  8. Eat Smart

    Your daily diet may have an impact on your brain's resiliency in the face of injury or disease.

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  9. Buff and Brainy

    Physical exercise encourages brains to function at an optimum level, even if they're damaged or diseased.

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  10. Humans

    Evolution in Action

    Debates on the conflict between evolution and intelligent design are taking place not only in the courts but also in state legislatures and even among members of local school boards, where topics include curricula, textbooks, and the definition of science itself.

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  11. Tech

    Artificial Animalcules

    Advances that include the first swimming micromachine and novel designs for similar devices are deepening scientists' understanding of the bizarre world of microscale liquids.

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  12. Health & Medicine

    Flora Horror

    A diarrhea-causing bacterium has developed new resistance to a widely used class of antibiotics and has recently become more transmissible and more deadly.

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