Feature

  1. Neuroscience

    Year in review: Alzheimer’s drug may clarify disease’s origins

    Researchers will now test whether a treatment that swept away amyloid brain plaques also improves cognitive performance.

    By Laura Sanders
  2. Earth

    Year in review: Ozone hole officially on the mend

    Research this year confirms that the Antarctic ozone hole is healing — an international success attributed to cooperation and new technologies.

    By Alexandra Witze
  3. Computing

    Year in review: AlphaGo scores a win for artificial intelligence

    AlphaGo’s triumph over its human opponent provides a glimpse into the future of artificial intelligence.

    By Thomas Sumner
  4. Tech

    Five challenges for self-driving cars

    Scientific and technical experts weigh in on the biggest hurdles for autonomous vehicles, and how ongoing research will help.