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  1. Astronomy

    Most distant galaxy lens discovered

    Astronomers have discovered a galaxy about 9.4 billion light-years from Earth that is magnifying the light of an even more distant galaxy. It’s the most distant gravitational lens found to date.

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  2. Animals

    Eliminating prairie dogs can lead to desertification

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  3. Neuroscience

    NFL players’ brains take a hit

    Brain scans reveal hidden abnormalities in retired football pros.

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  4. Physics

    It’s too soon to declare supersymmetry a tragedy

    Supersymmetry is the odds-on favorite to solve many of the mysteries about the physical world that have stumped theorists for decades. Supposedly the LHC should produce actual evidence for SUSY, but it hasn’t. And so some physicists have begun to declare SUSY dead, or at least on life-support.

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  5. Animals

    Young chimps catch human yawns

    Juvenile chimps yawn contagiously when they see humans do it, a response that could signal the animals are developing empathy.

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  6. Health & Medicine

    Hopes raised for Ebola treatment

    Most monkeys given dual therapy survive infection with lethal virus.

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  7. Particle Physics

    Nobel’s sharp cuts

    Gerald Guralnik was home when he learned online that physicists François Englert and Peter Higgs had won the Nobel Prize in physics for formulating the same theory he had proposed nearly 50 years ago.

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  8. Astronomy

    Galaxy’s gas molecules reveal its structure

    Astronomers have tracked carbon monoxide flowing both toward and away from NGC 1433’s central supermassive black hole.

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  9. Animals

    Lurking males lead to hard-to-fertilize mouse eggs

    Mixed-sex society raises resistance to sperm in what may be a long-running arms race between the sexes over fertilization.

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  10. Physics

    New limit placed on physics constant

    An analysis of how much the fine structure constant varies with the density of matter may help scientists determine whether the parameter changes with time.

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  11. Life

    Scorpion genome decoded

    An analysis of an arachnid’s DNA reveals how the animal survives its own venom.

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  12. Life

    H7N9 bird flu appears again

    Guest post by Tina Hesman Saey.

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