Featured series 
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For women in menopause, ‘not all healthy diets are equal’
Study comparing 11 eating patterns finds two clear paths to curbing weight gain
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When AI goes rogue
Computer security expert says recent OpenAI, Anthropic breaches highlight need for regulations that balance safety, speed of development
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Total keto or veganism? Daniel Lieberman considers how humans evolved to eat.
Excerpt from evolutionary biologist’s new book ‘Fed Up’
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Part grueling race, part field study
From a bicycle seat, Harvard postdoc sees roadblocks facing rural medicine
Data Visualization
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Why we need to break the grip of ‘oldigarchy’
Legal historian’s new book argues older Americans control power, wealth — and lack sense of urgency to fix nation’s most pressing problems
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What the framers were really thinking
Origin story of Declaration of Independence involves more than just embrace of Enlightenment ideas, scholars say
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Does vitriol make you feel special?
Beyond the algorithm, online negativity takes on a life of its own. Here’s why.
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America the beautiful
Celebrating nation’s natural wonders through art on 250th anniversary
