Ecosystems

  1. Horned passalus beetles
    Earth

    A belly full of wriggling worms makes wood beetles better recyclers

    Common beetles that eat rotten logs chew up more wood when filled with a roundworm larvae, releasing nutrients more quickly back to the forest floor.

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  2. Gorongosa elephants
    Ecosystems

    War wrecked an African ecosystem. Ecologists are trying to restore it

    Bringing back big predators to Gorongosa, once a wildlife paradise in Mozambique, is just one piece of the puzzle in undoing the damage there.

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  3. hippo
    Animals

    Hippo poop cycles silicon through the East African environment

    By chowing down on grass and then excreting into rivers and lakes, hippos play a big role in transporting a nutrient crucial to the food web.

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  4. green sea turtle
    Animals

    Endangered green sea turtles may be making a comeback in the U.S. Pacific

    The numbers of green sea turtles spotted around Hawaii, American Samoa and the Mariana Islands have increased in the last decade.

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  5. Tara boat
    Microbes

    A global survey finds that the Arctic Ocean is a hot spot for viruses

    Scientists mapped virus diversity around the world’s oceans. That knowledge may be key to making better climate simulations.

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  6. Alaska landscape
    Climate

    Climate change made the Arctic greener. Now parts of it are turning brown.

    Arctic browning could have far-reaching consequences for people and wildlife, affecting habitat and atmospheric carbon uptake as well as increasing wildfire risk.

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  7. Animals

    Tiny pumpkin toadlets have glowing bony plates on their backs

    Pumpkin toadlets are the first frogs found to have fluorescent bony plates that are visible through their skin under ultraviolet light.

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  8. mossy red-eyed frogs
    Animals

    Chytrid’s frog-killing toll has been tallied — and it’s bad

    Losses due to the amphibian-killing chytrid fungus are “the greatest documented loss of biodiversity attributable to a pathogen,” researchers find.

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  9. gray wolf
    Animals

    ‘Epic Yellowstone’ captures the thriving ecosystem of the world-famous park

    A new documentary series about Yellowstone displays the dynamic, dramatic and exciting ecosystem that thrives within the park’s gates.

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  10. a camera sitting on a melt pond
    Climate

    What happens when the Bering Sea’s ice disappears?

    Record-low sea ice in 2018 sent ripples through the Bering Sea’s entire ecosystem. Will this be the region’s new normal?

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  11. green icebergs
    Oceans

    Tiny bits of iron may explain why some icebergs are green

    Scientists originally thought the green hue of some icebergs came from carbon particles. Instead, iron oxides may color the ice.

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  12. fishing spider eating a tadpole
    Animals

    What spiders eating weird stuff tell us about complex Amazon food webs

    By documenting rare events of invertebrates eating small vertebrates, scientists are shedding new light on the Amazon rainforest’s intricate ecosystem.

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