Ecosystems

  1. floating shearwater bird
    Oceans

    Floating seabirds provide a novel way to trace ocean currents

    Seabirds idly drifting with ocean currents provide a novel way to track and understand how these flows change with time and location.

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  2. pea aphid
    Animals

    Pea aphid youngsters use piggyback rides to escape a crisis

    When some mammal is about to munch their plant, aphids drop to the ground and youngsters want a ride to safety.

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  3. beaver swimming
    Ecosystems

    Beavers are engineering a new Alaskan tundra

    Climate change has enabled the recent expansion of beavers into northwestern Alaska, a trend that could have major ecological consequences for the region in the coming decades.

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  4. screwworm fly
    Agriculture

    50 years ago, screwworm flies inspired a new approach to insect control

    The United States has wiped out screwworm flies repeatedly since 1966 using the sterile male eradication technique.

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  5. mammoth, mastodon, and gomphothere
    Ecosystems

    How mammoths competed with other animals and lost

    Mammoths, mastodons and other ancient elephants were wiped out at the end of the last ice age by climate change and spear-wielding humans.

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  6. eating dinner
    Life

    Eating less protein may help curb gut bacteria’s growth

    A new study in mice and 30 mammal species hints at what controls the types and amounts of gut microbes, which can contribute to health and disease.

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  7. researcher holding sockeye salmon
    Ecosystems

    How researchers flinging salmon inadvertently spurred tree growth

    Scientists studying salmon in Alaska flung dead fish into the forest. After 20 years, the nutrients from those carcasses sped up tree growth.

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  8. camel cricket
    Animals

    If you want to believe your home’s bug free, don’t read this book

    ‘Never Home Alone’ reveals the hidden world living in human-made spaces.

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  9. early vertebrate illustration
    Paleontology

    The first vertebrates on Earth arose in shallow coastal waters

    After appearing about 480 million years ago in coastal waters, the earliest vertebrates stayed in the shallows for another 100 million years.

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  10. cape cobra cannibalizing another cobra
    Animals

    How a snake named Hannibal led to a discovery about cobra cannibalism

    Scientists discovered that cobras in southern Africa eat each other more often than thought. And that may be true for cobras in other places as well.

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  11. Anopheles gambiae mosquito
    Genetics

    In lab tests, this gene drive wiped out a population of mosquitoes

    For the first time, a gene drive caused a population crash of mosquitoes in a small-scale test.

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  12. mayfly swarm
    Ecosystems

    Confused mayflies wreak havoc on a Pennsylvania bridge

    Cleaning a river in central Pennsylvania brought back mayflies, which now pose a threat to motorists crossing a bridge.

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