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PlantsHow light-farming chloroplasts morph into defensive warriors
Researchers now know which protein triggers light-harvesting plant chloroplasts to turn into cell defenders when a pathogen attacks.
By Jeremy Rehm -
SpaceIt’s time to start taking the search for E.T. seriously, astronomers say
Astronomers are hoping to make looking for alien technology an official science goal of NASA.
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Health & MedicineReaders have questions about Parkinson’s disease, moth wings and more
Readers had questions about Parkinson’s disease, the new definition of a kilogram’s mass, Saturn’s moon Dione and more.
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Planetary ScienceWe spent New Year’s Eve in the Kuiper Belt
Editor in Chief Nancy Shute discusses Science News' coverage of NASA's New Horizons spacecraft's flyby of Ultima Thule.