Featured series 
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Nation & WorldWhy U.S. should be worried about Ukrainian attack on Russian warplanes
Audacious — and wildly successful — use of inexpensive drones against superior force can be used anywhere, against anyone
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Work & EconomyRemember when corporate America steered clear of politics on social media?
Study finds Twitter surge starting in 2017, most of it Democratic-leaning by surprising range of firms, with negative effects on stock price
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Science & TechA step in fight against tick-borne disease
New molecular method differentiates sexes, reveals whether females have mated
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HealthSon’s diabetes diagnosis sent scientist on quest for cure
Decades later, Doug Melton and team are testing treatment that could make insulin shots obsolete
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Science & TechStill waiting
75 years after Fermi’s paradox, are we any closer to finding extraterrestrial life?
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HealthWhat your brain score says about your body
Simple tool can be used to identify risk factors for cancer and heart disease too, says new study
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Science & TechNumbers tell one story about climate change. People tell another.
Policy expert Dustin Tingley studies transition to renewable energy, knows from work, life how economic shifts rattle through communities
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Campus & Community‘Who we are and what we stand for’
Amid Harvard Alumni Day celebration, speakers address challenges, share messages of strength and resolve
Part of the Commencement 2025 series 
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