News
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Health & MedicineHow 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.
By Meghan Rosen -
Planetary ScienceNASA’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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NeuroscienceThe 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.