All Stories

  1. Chemistry

    Tricky element isolated from spent nuclear fuel

    A new chemical technique makes it easier to extract the radioactive element americium from used nuclear fuel, potentially paving the way for better ways to reprocess and recycle nuclear waste.

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  2. Planetary Science

    MAVEN mission finding clues to Mars’ climate change

    Intense solar storms in the past might have stripped Mars of its water as well as much of the rest of its atmosphere.

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  3. Animals

    Big cats hunt livestock when wild prey is scarce

    Lions, tigers and other big cats tend to hunt livestock only after their wild prey has dropped in availability, a new study shows.

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  4. Planetary Science

    Course set for New Horizons journey to Kuiper belt object

    New Horizons bids Pluto farewell as it starts a 1.45-billion-kilometer cruise to its next target.

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  5. Climate

    Kangaroo farts may not be so eco-friendly after all

    Kangaroos fart methane, but not much thanks to the metabolism of gut microbes

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  6. Health & Medicine

    Parasite gives a man cancer

    Tapeworms can kick parasitism up a notch to become cancer, a case in Colombia shows.

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  7. Science & Society

    Scientists find the intrigue in Earth’s dullest times

    New methods, coupled with new attitudes, are revising ideas about Earth's boring billion.

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  8. Science & Society

    Quantum spookiness, magnetic mysteries and more feedback

    Letters and comments from readers on quantum spookiness, Earth's magnetic field, and more.

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  9. Particle Physics

    Antiprotons match protons in response to strong nuclear force

    The first study of how antiprotons interact with each other reveals yet again that particles of antimatter behave just like their ordinary matter counterparts.

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  10. Neuroscience

    Brain’s GPS cells map time and distance, not just location

    Brain’s GPS cells map time and distance, too.

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  11. Neuroscience

    Blood exerts a powerful influence on the brain

    Instead of just responding to the energy needs of neurons, the blood can have a direct and powerful influence on the brain.

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  12. Astronomy

    Nearby galaxies put a lens on hundreds of distant ones

    Cache of faint galaxies in early universe discovered with help from massive galaxy clusters a bit closer to home.

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