News

  1. Health & Medicine

    Fine-scale structure of egg crucial for fertility

    Scientists describe the shape of a protein required for conception. These new molecular details will lead to an improved understanding of how sperm and egg unite.

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  2. Earth

    Methane even escapes from freezing permafrost

    An extended field season reveals that the autumn freeze in the arctic squeezes methane from some high-latitude wetland soils, a match even for summertime methane release.

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  3. Earth

    Unveiling hidden craters

    Earth is regularly bombarded by small meteorites, but most of the resulting craters are hard to find. A team reports finding one such crater in the forests of west-central Alberta.

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  4. Health & Medicine

    Protein found to set the heart’s cadence

    Researchers have discovered a molecular metronome that sets the rhythm of the heart and blood pressure.

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  5. Earth

    Plate tectonics got an early start

    The chemistry of minerals preserved in Australian rocks suggests tectonic activity for Earth’s earliest eon.

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  6. Health & Medicine

    Bone density may be determined in the gut

    A surprising new connection between the gut and bones may lead to new forms of treatment for human bone diseases such as osteoporosis.

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  7. Earth

    Antidepressants make for sad fish

    Fish may suffer substantially from even brief encounters with antidepressants, which wastewater releases into river water.

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  8. Health & Medicine

    Lifestyle may link depression and heart disease

    The association between depression and heart problems could stem from a lack of physical activity and other lifestyle factors.

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  9. Humans

    Baby boys may show spatial supremacy

    Two new studies suggest that, at 3 to 5 months of age, boys already outperform girls on mental rotation tasks.

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  10. Computing

    New theory defines faster MRI

    Better equations could improve MRI quality, or even bring quantum computing closer.

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  11. Health & Medicine

    Many drug trials never see publication

    Results of most drug trials are unreported, inaccessible to clinicians and patients, a new study confirms.

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  12. Animals

    Lizard push-ups grab attention

    Nearby lizards more likely to get the message if its preceded by push-ups

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