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  1. Science & Society

    People are bad at spotting fake news. Can computer programs do better?

    Fake news–finding algorithms could someday make up the front lines of online fact checking.

    By Maria Temming
  2. Particle Physics

    A new quasiparticle lurks in semiconductors

    Strange entities called collexons hint at undiscovered physics among interacting subatomic particles in a semiconductor.

    By Christopher Crockett
  3. Physics

    A star orbiting a black hole shows Einstein got gravity right — again

    For the first time, general relativity has been confirmed in the region near a supermassive black hole.

    By Emily Conover
  4. Genetics

    Here’s why wounds heal faster in the mouth than in other skin

    Wounds in the mouth heal speedily thanks to some master regulators of immune reactions.