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How Seawater Might Soak Up More Carbon
Giving Earth an antacid could help slow climate change—but it’s complicated.
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The Moon Smells Like Gunpowder
Why dirt on the moon (and Mars) would be dangerous to live with.
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What Makes the Milky Way Special?
One question for Miguel Aragon, a computational physicist at the National Autonomous University of Mexico.
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What Is Scientific Discovery Worth?
The quest to detect neutrinos has physicists—and society—asking hard questions.
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The Algae That Might Save Earth’s Coral Reefs
A relationship story.