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  1. Particle Physics

    Muons spill secrets about Earth’s hidden structures

    Tracking travel patterns of subatomic particles called muons helps reveal the inner worlds of pyramids, volcanoes and more.

    By Emily Conover
  2. Health & Medicine

    What experts told me to do after my positive COVID-19 at-home test

    Rapid at-home tests mean many COVID-19 cases go unreported, but they’re a great tool for deciding when to leave isolation. I found that out firsthand.

    By Anna Gibbs
  3. Health & Medicine

    Why taking medications during pregnancy is so confusing

    It's hard to know what new drugs are safe when medical research excludes pregnant people.

    By Erika Engelhaupt
  4. Astronomy

    ‘Goldilocks’ stars may pose challenges for any nearby habitable planets

    Orange dwarfs emit far-ultraviolet light long after birth, stressing the atmospheres of potentially life-bearing worlds.