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  1. Animals

    Endings make way for new beginnings for Earth and SN

    Editor in chief Eva Emerson discusses major changes for life on Earth and at Science News.

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  2. Animals

    Readers weigh in on mathematical animals and more

    Animal math, dinosaur digestion and more in reader feedback from our December 10, 2017, issue.

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  3. Paleontology

    With dinosaurs out of the way, mammals had a chance to thrive

    The animals that lived through the great extinction event had a range of survival strategies to get them through.

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  4. Life

    Some lucky birds escaped dino doomsday

    Dino doomsday took out early birds too, but a lucky few survived.

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  5. Earth

    Devastation detectives try to solve dinosaur disappearance

    Dinosaurs and others faced massive losses 66 million years ago from an asteroid impact, volcanic eruptions or maybe a mix of the two.

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  6. Paleontology

    Bony head ornaments signal some supersized dinosaurs

    Bony headwear, like bumps and horns, is tied to bigger bodies in the theropod dinosaur family tree.

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  7. Paleontology

    Ancient giant otter unearthed in China

    Fossils unearthed in China reveal a newly discovered, now-extinct species of otter that lived some 6.2 million years ago.

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  8. Environment

    Humans’ stuff vastly outweighs humans

    The human-made technosphere weighs 30 trillion tons and surpasses the natural biosphere in mass and diversity, researchers estimate.

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  9. Life

    Asteroid barrage, ancient marine life boom not linked

    Impacts from asteroid debris probably didn’t trigger the boom in marine animal diversity around 471 million years ago during the Great Ordovician Biodiversification Event.

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  10. Paleontology

    Baby dinosaurs took three to six months to hatch

    Growth lines on teeth indicate a surprisingly long incubation period.

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  11. Physics

    Chemists strike gold, solve mystery about precious metal’s properties

    A longstanding puzzle about gold’s properties has been solved with more complex theoretical calculations.

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  12. Archaeology

    Real-life adventure tale details search for legendary city

    "The Lost City of the Monkey God" recounts archaeological expedition to uncover truth behind Honduras’ “White City" myth.

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