Uncategorized

  1. Math

    Color-changing fibers help reveal mysteries of how knots work

    Experiments with colorful fibers helped scientists discover a few simple rules behind knots’ varying strengths.

    By Emily Conover
  2. Space

    A new map reveals radio waves from tens of thousands of galaxies

    Radio waves from about 17,000 galaxies show that the peak of star formation, about 10 billion years ago, might have been more productive than predicted.

    By Christopher Crockett
  3. Science & Society

    What’s ahead for science in 2020? Here’s what we’re watching

    Science News writers are awaiting new Mars missions, a new search for dark matter, results from a male birth control pill study and more.

    By Erin Wayman
  4. Health & Medicine

    Injecting a TB vaccine into the blood, not the skin, boosts its effectiveness

    Giving a high dose of a tuberculosis vaccine intravenously, instead of under the skin, improved its ability to protect against the disease in monkeys.