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  1. Astronomy

    Echoes of a stellar outburst

    Light from the outburst of a star has revealed its dusty surroundings.

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  2. Health & Medicine

    Shots stop allergic reactions to venom

    An immune therapy prevents allergic reactions to the sting of the jack jumper ant, a pest common to Australia.

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  3. Physics

    Light rambles through room-temperature ruby

    Researchers have dramatically slowed light within a solid at room temperature.

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  4. Words Get in the Way

    New studies explore people's tendency to have trouble recalling faces or other hard-to-describe perceptions after giving verbal accounts of them, with an eye toward improving police interviewing techniques with crime eyewitnesses.

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  5. Happy Anniversary

    In the 50 years since the discovery of DNA's double helix structure, scientists have developed striking new ways to visualize the molecule.

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  6. Humans

    From the April 15, 1933, issue

    NARCISSI MERIT RECOGNITION AS PROPER EASTER FLOWERS Easter has always been a festival of flowers. Indeed, one of the reasons why the early missionary church found it comparatively easy to get its converts to adopt this holy day was because most of them already had a holiday at the same season–a celebration of the returning […]

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  7. Left-Handed DNA

    DNA strands in living cells normally have a right-hand twist–just like a standard wood or metal screw. The Left-Handed DNA Hall of Fame, maintained by Tom Schneider of the Laboratory of Experimental and Computational Biology at the National Institutes of Health, offers an amusing compendium of examples in which illustrators have unwittingly depicted DNA incorrectly […]

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  8. Math

    Prime conjecture verified to new heights

    Computations show that all even integers up to 4 x 1014 can be written as the sum of two prime numbers, lending support to the Goldbach conjecture.

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  9. Astronomy

    Comet LINEAR: Breaking up isn’t hard to do

    New images reveal that Comet LINEAR, which passed near the sun late last month, has broken into at least 10 fragments.

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  10. Depression may play a role in stroke risk

    Feelings of hopelessness and other signs of major depression markedly raise a person's likelihood of suffering a stroke.

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  11. Physics

    Attractive atoms pick up repulsive habits

    Rubidium atoms intrinsically attract each other, but new experiments near absolute zero have induced the atoms to repel each another instead.

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  12. Earth

    Wildfires spread across a parched West

    Dozens of lightning-sparked wildfires seared the western United States last week, adding hundreds of thousands of acres of charred terrain to a tally that promises to make this fire season the worst in recent decades.

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