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AstronomyDust and a cold spell on Betelgeuse could explain why the giant star dimmed
Scientists had two options to explain Betelgeuse’s weird behavior in late 2019. They chose both.
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Science & SocietyMoral judgments about an activity’s COVID-19 risk can lead people astray
People use values and beliefs as a shortcut to determine how risky an activity is during the pandemic. Those biases can lead people astray.
By Sujata Gupta -
ChemistryMany cosmetics contain hidden, potentially dangerous ‘forever chemicals’
Scientists found signs of long-lasting PFAS compounds in about half of tested makeup products, especially waterproof mascaras and lipsticks.
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PlantsA widely studied lab plant has revealed a previously unknown organ
A cantilever-like plant part long evaded researchers’ notice in widely studied Arabidopsis thaliana, grown in hundreds of labs worldwide.