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We summarize the week's scientific breakthroughs every Thursday.

  1. Science & Society

    Sometimes failure is the springboard to success

    Editor in chief Eva Emerson discusses scientific discoveries that resulted from failures large and small.

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  2. Physics

    A metallic odyssey, what’s causing sunspots and more reader feedback

    Metallic hydrogen, sunspot formation, salty desalination leftovers and more in reader feedback.

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  3. Tech

    XPRIZE launched new kind of space race, book recounts

    'How to Make a Spaceship' chronicles the XPRIZE challenge that helped ignite the private space industry.

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  4. Planetary Science

    Rock hounds are on the hunt for new carbon minerals

    The race is on to find about 140 predicted carbon-based minerals in locations around the world. Map included.

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  5. Planetary Science

    Rosetta spacecraft lands on comet, ends mission

    The Rosetta mission comes to an end as spacecraft touches down on surface of comet 67P/ Churyumov–Gerasimenko.

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  6. Planetary Science

    Rosetta spacecraft ends mission

    The Rosetta mission comes to an end as spacecraft touches down on surface of comet 67P/ Churyumov–Gerasimenko.

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  7. Cosmology

    After Big Bang, shock waves rocked newborn universe

    Shock waves in the early universe could explain the generation of magnetic fields and the predominance of matter over antimatter.

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  8. Planetary Science

    So long, Rosetta: End is near for comet orbiter

    During its time in orbit around comet 67P, the Rosetta spacecraft discovered diverse terrains, organic molecules and a source of water quite different from Earth’s oceans.

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  9. Astronomy

    Solar system sits within a major spiral arm of the Milky Way

    The solar system appears to live in one of the major spiral arms of the Milky Way, not in an offshoot as previously thought.

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  10. Astronomy

    Solar system sits within major spiral arm of Milky Way

    The solar system appears to live in one of the major spiral arms of the Milky Way, not in an offshoot as previously thought.

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  11. Planetary Science

    Europa spouting off again

    Plumes of presumably water erupt from the surface of Jupiter’s frozen moon Europa, in images taken by the Hubble Space Telescope.

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  12. Planetary Science

    Mercury’s surface still changing

    A population of small cliffs on Mercury suggests that the planet might have been tectonically active in the last 50 million years.

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