Collection: 2014 Top 25

More Stories in 2014 Top 25

  1. Planck's measurement of dust in Milky Way
    Astronomy

    Year in review: Dust obscures possible gravitational wave discovery

    A possible signal from moments after the Big Bang may be due to dust in the Milky Way galaxy.

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  2. 37,000-year-old skeleton
    Humans

    Year in review: Old humans reveal secrets

    DNA of the oldest modern humans is rewriting the prehistories of Europe, Siberia and the Americas.

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  3. comet 67P/Churyumov­ Gerasimenko
    Planetary Science

    Year in review: Rosetta mission hits its target

    The Rosetta spacecraft and its lander Philae are providing an intimate look at the life of comet 67P/Churyumov-Gerasimenko.

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  4. neurons in the brain
    Neuroscience

    Year in review: Memories vulnerable to manipulation

    New experimental results in 2014 helped bring scientists closer to understanding how the brain manipulates memories to make sense of the world.

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  5. Kepler spacecraft
    Astronomy

    Year in review: Kepler gets second chance at life

    This year, Kepler engineers figured out how to stabilize the almost-defunct Kepler telescope, while astronomers found hundreds more worlds.

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  6. electronic cigarette
    Health & Medicine

    Year in review: Risks of e-cigarettes emerge

    Electronic cigarettes dispense water vapor laced with flavors and often a hefty dose of nicotine. These vapors may be far from benign, studies in 2014 suggested.

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  7. mouse
    Neuroscience

    Year in review: Young blood aids old brains

    Ingredients in young blood can rejuvenate old mice’s bodies and brains, scientists reported in 2014.

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  8. packets of Sweet'N Low
    Health & Medicine

    Year in review: Gut reacts to artificial sweeteners

    Saccharin messes with the body’s ability to metabolize fuel, a condition that often precedes diabetes, obesity and other metabolic problems.

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  9. Europa
    Planetary Science

    Year in review: Tectonics active on Europa

    Jupiter’s frozen moon Europa has a shifting exterior analogous to Earth’s plate tectonics.

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