News

  1. Health & Medicine

    How holes in herd immunity led to a 25-year high in U.S. measles cases

    U.S. measles cases have surged to 704. Outbreaks reveal pockets of vulnerability where too many unvaccinated people are helping the virus spread.

    By Aimee Cunningham
  2. Animals

    How aphids sacrifice themselves to fix their homes with fatty goo

    Young aphids swollen with fatty substances save their colony by self-sacrifice, using that goo to patch breaches in the wall of their tree home.

    By Susan Milius
  3. Health & Medicine

    Why war’s emotional wounds run deeper for some kids and not others

    Researchers examine why war’s emotional wounds run deep in some youngsters, not others.