Notebook

  1. Physics

    A slowdown at the sun’s surface explained

    Light escaping from the sun could slow the spinning of its surface layers.

    By Emily Conover
  2. Agriculture

    Fleets of drones could pollinate future crops

    Chemist Eijiro Miyako turned a lab failure into a way to rethink artificial pollination.

    By Elizabeth Eaton
  3. Life

    Origin of photosynthesis may go further back than estimates from 50 years ago

    Analyzing ancient rocks has helped push back the date when photosynthetic organisms first emerged by nearly a billion years.

    By Laurel Hamers
  4. Health & Medicine

    Colorectal cancer is on the rise among younger adults

    Colorectal cancer rates in the United States have increased in people younger than 50.