• Breakdown + Breakdown runners-up

    Slow international response and missed opportunities to contain the outbreak make this year's Ebola epidemic Science's breakdown of the year. Also, Breakthrough staff chose a few of this year's notable flaps, stumbles, and reverses as runners-up.

  • Comet Breakthrough of the Year + People's choice

    Rosetta's short-lived lander grabbed the headlines, but the ongoing orbital mission is the real news for science. And this year, Science decided to give its readers a say in picking their own top breakthroughs of 2014.

  • Runners-up

    In addition to its Breakthrough of the Year, Science named nine runners-up as significant scientific achievements of 2014.

  • Scorecard for 2014

    Every year, the Breakthrough staff picks scientific developments likely to make news in the coming months.

  • Areas to watch in 2015

    Science is a moving target. In addition to looking back on achievements of the previous year, the Breakthrough staff also hazards a few informed guesses about developments likely to make news in months to come.

  • Dino-killer Theory: Back from the Dead

    The once-moribund idea that volcanism helped kill off the dinosaurs gains new credibility.

  • Is DNA a Live Wire?

    Do cells use electricity to repair DNA? Jacqueline Barton aims to find out.

  • The mystery of the dead galaxies

    Astronomers thought they knew why all galaxies eventually redden and die. They were wrong.

  • A dose of reality

    Does any treatment work against Ebola? Researchers may soon find out, if they can overcome daunting ethical and practical challenges.

  • Saving lives without new drugs

    A push for improving basic care of Ebola patients could save many lives without experimental treatments.

  • The river masters

    Hippos are the nutrient kingpins of Africa's waterways.

  • A glimpse of cosmic dawn

    Astronomers are attempting to look back to when the first stars and galaxies lit up and changed the universe forever.

  • Rare earth

    Soil scientists are tracking down rare and endangered soils in a quest to document—and preserve—“pedodiversity.”

  • Stepping on the gas

    What would it take to put you behind the wheel of a methane-powered vehicle? Researchers are determined to find out.

  • Show me the money

    A bitter dispute lays bare questionable practices in China's foreign-talent programs.

  • Baboon watch

    An epic baboon study shows how social interactions shape health and reproduction in all primates—including humans.

  • The baboon chronicles

    Amboseli researchers have monitored their subjects for 40 years.

  • Don't blame the beetles

    Bark beetles have devastated western forests, but that may not mean more severe fires.

  • Racing the thaw

    Archaeologists scramble to recover artifacts emerging from alpine ice.

  • The littlest patient

    Cutting-edge mouse models fuel hope for understanding and treating cancer.

  • Hope in a mouse

    Selling personalized mouse models to cancer patients, a firm draws thanks and reproach.

  • On the edge

    Ecologist Marten Scheffer became a leader in the science of tipping points by studying lakes. Now he's making waves in many other fields.

  • NOνA's shining moment

    Despite years of delay, Fermilab's massive new experiment has a chance to take the next big step in neutrino physics.

  • No miracles

    Biologist Russell Gray uses evolutionary ideas to probe the origin of languages and complex thinking.

  • Outsmarting the placebo effect

    Can a genetic test to predict a person's level of placebo response help new drugs win approval?

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