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  1. Health & Medicine

    How pieces of live human brain are helping scientists map nerve cells

    Experiments on live nerve cells — donated from patients undergoing brain surgery — may turn up clues about how the human brain works.

    By Laura Sanders
  2. Health & Medicine

    Racist words and acts, like the El Paso shooting, harm children’s health

    Racism can take a lifelong toll on children’s and adolescents’ health. U.S. pediatricians are tackling the problem.

    By Aimee Cunningham
  3. Chemistry

    A fungus makes a chemical that neutralizes the stench of skunk spray

    A compound produced by fungi reacts with skunk spray to form residues that aren’t offensive to the nose and can be more easily washed away.