Uncategorized

  1. Health & Medicine

    Poor ventilation in schools may spur TB spread

    Researchers found high carbon dioxide levels in South African classrooms, suggesting that poor ventilation may contribute to tuberculosis transmission.

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  2. Cosmology

    Universe re-created in computer simulation

    The Illustris Project traces the detailed evolution of the universe starting from 12 million years after the Big Bang.

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  3. Genetics

    Organism with artificial DNA alphabet makes its debut

    Using DNA molecules other than A, C, G and T, scientists have created the first living organism with an expanded genetic alphabet.

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  4. Climate

    Crop nutrients may drop as carbon dioxide rises

    Many staple grains and legumes pack 5 to 10 percent less iron, zinc and protein when grown at carbon dioxide levels expected midcentury.

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  5. Animals

    Woodpecker beaks divulge shock-absorbing properties

    Scales, sutures and porosity help the birds hammer without going stupid.

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  6. Math

    The Improbability Principle

    The laws of mathematics and physics suffice to explain a world of coincidences, statistician David J. Hand argues.

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  7. Health & Medicine

    U.S. patient with MERS virus is on the mend

    A man in Indiana does not seem to have spread the potentially deadly respiratory illness.

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  8. Health & Medicine

    Massachusetts insurance mandate lowers death rate

    Since “Romneycare” was phased in, mortality fell by 2.9 percent.

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  9. Neuroscience

    Young blood proven good for old brain

    Blood — or one of its protein components — restores some of youth’s vibrancy to elderly mouse brains.

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  10. Health & Medicine

    MERS outbreak picks up pace in Middle East

    As the number of MERS cases increases, researchers race to learn more about the deadly virus carried by camels.

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  11. Cosmology

    See the sky in a different light

    An interactive map lets you explore the galaxy with infrared light.

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  12. Animals

    Narwhal has the strangest tooth in the sea

    Sometimes called the unicorn of the sea, the male narwhal’s tusk is actually a tooth. Narwhals detect changes in water salinity using only these tusks, a new study finds.

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