Uncategorized

  1. Health & Medicine

    Study exonerates childhood vaccine

    A nationwide study in Denmark provides strong evidence that a childhood vaccine once blamed for some cases of autism plays no role in the development of that neurological disorder.

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  2. Astronomy

    Galactic cannibalism strikes again

    Astronomers have discovered the remains of a tiny galaxy that was swallowed by the galaxy Centaurus A only a few hundred million years ago.

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  3. Earth

    El Niños came more often in Middle Ages

    Analyses of layered sediments from a South American lake suggest that the worldwide warm spells known as El Niños occurred more frequently about 1,200 years ago, when Europe was entering the Middle Ages, than they do today.

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  4. Paleontology

    Forged fossil is a fish-eating fowl

    Detailed analyses of Archaeoraptor, a forged fossil once thought to be a missing link between dinosaurs and birds, reveal that the majority of that fake comes from an ancient, fish-eating bird.

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  5. Animals

    Mad Deer Disease?

    Chronic wasting disease, once just an obscure brain ailment of deer and elk in a small patch of the West, is turning up in new places and raising troubling questions about risks.

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  6. Earth

    Taming Toxic Tides

    A growing international cadre of scientists is exploring a simple strategy for controlling toxic algal blooms: flinging dirt to sweep the algae from the water.

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  7. Planetary Science

    Martian Radiation: Giving off a faint X-ray glow

    Astronomers have for the first time taken an X-ray image of the Red Planet.

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  8. Health & Medicine

    Predisposed to Trouble: Gene variants implicated in stomach cancer

    A person's risk of stomach cancer can depend on the genetics of both the individual and the bacterium Helicobacter pylori.

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  9. Ecosystems

    Worm Attacks: Invading earthworms threaten rare U.S. fern

    An unusual study of the effects of invading earthworms on North American plants finds that the exotics might be on the way to killing off a rare fern.

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  10. Lost That Smoking Feeling: Emotions sputter as cigarette motivator

    The first detailed effort to monitor the reactions of cigarette smokers as they carry out their daily activities finds that they feel neither better nor worse than at times when they don't begin smoking.

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  11. Math

    Fold-and-Cut Magic

    One of the treats of holidays long past was an activity that involved folding, then cutting a sheet or strip of paper to reveal a lacy snowflake or a chain of identical spruce trees, connected at their sides so it looked like branches brushing up against each other. The result was invariably a delightful surprise. […]

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  12. Earth

    Outside-In: Clearing up how cloud droplets freeze

    A fresh look at old experimental data suggests that water droplets in clouds freeze from the outside inward rather than from their core outward.

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