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  1. Neuroscience

    Spinal stimulation gives some people with paralysis more freedom

    Methods that stimulate the spine with electrodes promise to improve the lives of people with spinal cord injuries, in ways that go well beyond walking.

    By Laura Sanders
  2. Animals

    How slow and steady lionfish win the race against fast prey

    Lionfish overcome speedy prey with persistent pursuit, waiting for the perfect moment to strike. Other slow predatory fish may use the technique too.

    By Jake Buehler
  3. Physics

    Two black holes merged despite being born far apart in space

    A closer look at gravitational wave data reveals 10 overlooked mergers, including one between black holes that probably found each other late in life.