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科学美国人

Scientific American

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2025-03-01

Scientific American Volume 332, Issue 3

Culture

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A Fascinating Sparrow, Aha! Moments and Local Flowers

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Contributors to Scientific American’s March 2025 Issue

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Readers Respond to the November 2024 Issue

Society & Policy

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Immigration Fuels Innovation in Science to Make the U.S. More Competitive

Microbiology

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The U.S. Must Lead the Global Fight against Superbugs

Physiology

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Broken Legs and Ankles Heal Better If You Walk on Them within Weeks

Arts

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Poem: ‘(origins, positrons)’

Mathematics

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Math's 'Hairy Ball Theorem' Has Surprising Implications

Psychology

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People Overestimate Political Opponents’ Immorality

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Which Knot Is Stronger? Humans Aren’t Great Judges

Parenting

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When Should Kids Get a Smartphone?

Neuroscience

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You Don’t Need Words to Think

Universe

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What’s Inside Our Galaxy’s Darkest Place?

History

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Science History from 50, 100 and 150 Years Ago