Search Results for: Polar Bears

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604 results

604 results for: Polar Bears

  1. Readers ask about sea level rise, the universe’s first stars and more

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  2. Microbes

    Watch: Recent microbial discoveries are changing our view of life on Earth

    Videos capture the strange movements and predatory styles of protists — among the closest microbial cousins to multicellular life.

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  3. Animals

    Polar bears sometimes bludgeon walruses to death with stones or ice

    Inuit reports of polar bears using tools to kill walruses were historically dismissed as stories, but new research suggests the behavior does occur.

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  4. Earth

    Scientists are racing to save the Last Ice Area, an Arctic Noah’s Ark

    The Last Ice Area may be the final refuge for summer sea ice and the creatures that depend on it. Saving it is an ambitious goal with many hurdles.

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  5. Animals

    Here are 7 incredible things we learned this year that animals can do

    From wielding weapons to walking on the underside of water, these are the creature capabilities that most impressed us in 2021.

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  6. Anthropology

    A surprising food may have been a staple of the real Paleo diet: rotten meat

    The realization that people have long eaten putrid foods has archaeologists rethinking what Neandertals and other ancient hominids ate.

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  7. Paleontology

    Megatooth sharks may have been higher on the food chain than any ocean animal ever

    Some megalodons and their ancestors were the ultimate apex predators, outeating all known marine animals, researchers report.

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  8. Paleontology

    A new saber-toothed mammal was among the first hypercarnivores

    A 42-million-year-old jawbone with slicing teeth and a gap to fit saberlike teeth is pegged to a new species of the mysterious Machaeroidine group.

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  9. Life

    ‘Wild Souls’ explores what we owe animals in a human-dominated world

    The new book Wild Souls explores the ethical dilemmas of saving Earth’s endangered animals.

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  10. Climate

    ‘Ice Rivers’ invites you to get to know our world’s melting glaciers

    In her new book, Jemma Wadham brings readers along on her scientific expeditions to the world’s iciest places.

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  11. Paleontology

    Feathers may have helped dinosaurs survive the Triassic mass extinction

    New data show that dinosaurs were able to weather freezing conditions about 202 million years ago, probably thanks to warm feathery coats.

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  12. Earth

    A WWII submarine-hunting device helped prove the theory of plate tectonics

    With a boost from World War II, the fluxgate magnetometer became a portable and invaluable tool.

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