All Stories

  1. Health & Medicine

    Overheard, baby edition: Making sense of new words

    Eavesdropping babies learn new words when they understand familiar ones.

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  2. Health & Medicine

    Second wave of bird flu ups pandemic worries

    The H7N9 avian influenza virus, which first appeared in 2013, is sweeping China with a second, larger wave of illness.

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  3. Earth

    How the Chicxulub impact made acid rain

    Using lasers to accelerate materials to asteroid-like impact velocities, scientists have shown how the Chicxulub asteroid impact, which happened roughly 65 million years ago, could have created a mass extinction in the oceans.

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  4. Life

    Acid-bath method for making stem cells under fire

    No one has been able to reproduce a new technique for creating stem cells called STAP cells, leading some researchers to call for the retraction of the original research papers.

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  5. Planetary Science

    Feedback

    Readers respond to a special report on neuroscience and discuss moon dust.

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  6. Health & Medicine

    MS milder when patients begin with higher vitamin D levels

    Multiple sclerosis patients with low concentrations of vitamin D early in their disease have more nerve damage several years later.

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  7. Climate

    Warm, wet weather may have helped Genghis Khan rule

    Mild, wet weather — not drought — may have helped Genghis Khan expand the Mongolian empire to the largest in human history.

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  8. Animals

    Elephants can tell men’s voices from women’s

    Amboseli elephants may pick out age and gender — and even distinguish between languages — when listening to human voices.

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  9. Physics

    Shifting grains may explain earthquake lightning

    Mysterious lightning before or during earthquakes could get its spark from underground shifting.

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  10. Animals

    Spotted seals hear well in and out of water

    Spotted seals, native to the northern parts of the Pacific, hear frequencies that may mean they are susceptible to the effects of anthropogenic noise.

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  11. Materials Science

    Phosphorene introduced as graphene alternative

    Sheets of ultrathin phosphorus could lead to faster semiconductor electronics.

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  12. Cosmology

    Gravitational wave detection a big day for the Big Bang

    On a snowy St. Patrick’s Day, our offices officially shut down by a late-winter storm, the Science News staff was abuzz over the biggest thing since the Higgs boson. On March 17, scientists announced the first direct evidence of the theory of cosmic inflation: primordial gravitational waves.

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