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Monday, December 29, 2025 5:51 PM ET

Scientific American - Top Stories

Animals - December 29, 2025 - 15 Million Years before the Megalodon, This Giant Ancient Shark Prowled the Oceans

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China's Plans for Humanlike AI Could Set the Tone for Global AI Rules

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7 Important Health Stories to Watch in 2026

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Russia Quietly Changed Its Space Station Plans. Here's What That Means

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Spellements: Monday, December 29, 2025

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Why Active Rest Is Important During the Holidays

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Seven Feel-Good Science Stories to Restore Your Faith in 2025

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If SpaceX Goes Public in 2026, What Does That Mean for Space Exploration?

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What's the Most Distant Galaxy? And Why Does It Matter?

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These Orcas Are on the Brink-And So Is the Science That Could Save Them

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Mysterious Bright Flashes in the Night Sky Baffle Astronomers

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Meet Your Future Robot Servants, Caregivers and Explorers

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A Distorted Mind-Body Connection May Explain Common Mental Illnesses

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Rising Temperatures Could Trigger a Reptile Sexpocalypse

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Heart and Kidney Diseases and Type 2 Diabetes May Be One Ailment

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Mathematicians Discover a New Kind of Shape That's All over Nature

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Mathematicians' Favorite Shapes Hold the Key to Big Mathematical Mysteries

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How Squishy Math Is Revealing Doughnuts in the Brain

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Babies Are Born with an Innate Number Sense

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Citizens' Assemblies Are Upgrading Democracy: Fair Algorithms Are Part of the Program

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Inside Mathematicians' Search for the Mysterious 'Einstein Tile'

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