News

  1. Health & Medicine

    How does early pregnancy lower breast cancer risk? Odd cells could offer clues

    Suspicious cells build up in mice that haven’t given birth, a new study finds. They could help explain a longstanding mystery of breast cancer biology.

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  2. Planetary Science

    NASA’s DART spacecraft changed an asteroid’s orbit around the sun

    A 2022 NASA mission changed the orbit of the asteroid Dimorphos around its companion. New data shows their joint orbit around the sun also changed.

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  3. Neuroscience

    The remarkable brains of ‘SuperAgers’ hold clues about how we age

    A new study reports signs that nerve cells in the brain keep dividing over the decades.