News

  1. Ecosystems

    Tougher Weeds? Borrowed gene helps wild sunflower

    Feeding concerns about developing superweeds, a test of sunflowers shows for the first time that a biologically engineered gene moving from a crop can give an advantage to wild relatives under naturalistic conditions.

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  2. Health & Medicine

    Toxin Trumped: New malaria vaccine protects mice

    An experimental vaccine neutralizes a toxic molecule made by malaria-causing parasites.

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  3. Physics

    Scaling energy barriers to save data

    Researchers demonstrate a promising new way to make semiconductor-based memory that doesn't erase when the power goes off.

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  4. Earth

    El Niño: It’s back!

    An increase in ocean temperatures in the central Pacific heralds the onset of El Niño, whose effects should show up in the United States this fall.

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  5. Malaria parasite reveals old age

    The DNA of a malaria-causing parasite suggests it is at least 100,000 years old.

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  6. Biological clock study challenged

    A report disputes the controversial notion that bright light applied to skin can reset a person's biological clock.

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  7. Health & Medicine

    Worm genes take on bacterial foes

    Creatures as simple as worms have an effective immune defense.

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  8. Archaeology

    Ancient birth brick emerges in Egypt

    Investigations at a 3,700-year-old Egyptian town have yielded a painted brick that was used in childbirth rituals.

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  9. Anthropology

    Ancient populations were game for growth

    Archaeological evidence of a Stone Age shift in dietary preferences, from slow to swift small game, suggests that the human population rose sharply sometime between 100,000 and 50,000 years ago.

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  10. Animals

    Slithering on Air: Flying snakes glide through the treetops

    The paradise tree snake flies by flattening its body and slithering through the air.

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  11. Health & Medicine

    New Antidote to Botulism: Drug neutralizes toxin in mouse tests

    An experimental drug disables deadly botulism toxin much better than current treatment does.

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  12. Earth

    Long, Dry Spells: Lengthy droughts tied to long-lived La Niñas

    A new study of persistent droughts that occurred in the United States during the past 3 centuries suggests that those dry spells may be associated with prolonged periods when sea-surface temperatures in the central Pacific were cooler than average.

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