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  1. Health & Medicine

    Algae inside blood vessels could act as oxygen factories

    Two types of light-responsive algae make oxygen inside tadpoles’ blood vessels.

    By Laura Sanders
  2. Quantum Physics

    Google officially lays claim to quantum supremacy

    The quantum computer Sycamore reportedly performed a calculation that even the most powerful supercomputers available can’t reproduce.

    By Emily Conover
  3. Life

    Aye-ayes just got weirder with the discovery of a tiny, sixth ‘finger’

    Aye-ayes have a sixth “finger,” or pseudothumb, that may compensate for other, overspecialized fingers by helping the lemurs grip things.

    By Sofie Bates
  4. Health & Medicine

    Prozac proves no better than a placebo in treating kids with autism

    In a small clinical trial, drugs called selective serotonin reuptake inhibitors didn’t ease obsessive-compulsive symptoms in children with autism.