Featured series 
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HealthResearchers link ultraprocessed foods to precancerous polyps
Results come amid rise in under-50 colorectal cancer cases
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Science & TechA potential quantum leap
Harvard physicists unveil system to solve long-standing barrier to new generation of supercomputers
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Nation & WorldPrinceton leader defends campus free speech efforts amid ‘civic crisis’
Eisgruber, author of ‘Terms of Respect,’ says campus tensions reflect wider U.S. divisions
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Science & TechNo one knows the answer, and that’s the point
‘Genuinely Hard Problems’ pilots novel approach to scientific education
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Science & TechIs AI dulling our minds?
Experts weigh in on whether tech poses threat to critical thinking, pointing to cautionary tales in use of other cognitive labor tools
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Campus & CommunityAnthony Campbell named new Harvard police chief
Extensive law enforcement career marked by strong community collaboration
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Campus & CommunityLocal fun, a beach retreat, and a treat for your brain
Sleep scientist shares tips on recreation and rest
Part of the Favorite Things series
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Arts & Culture‘A love letter to drawing’
Exhibit peels back layers to reveal raw expression in monochrome
