Animals

  1. Asian giant hornet
    Life

    A new map shows where Asian giant hornets could thrive in the U.S.

    Suitable habitat along the Pacific West Coast means so-called “murder hornets” could get a foothold in North America if they aren’t eradicated.

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  2. blue whale
    Life

    Before migrating, some blue whales switch up the timing of their songs

    Pacific blue whales change the daily timing of their songs ahead of migration, helping scientists better anticipate these massive animals’ movements.

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  3. Cuvier's beaked whales
    Animals

    A beaked whale’s nearly four-hour-long dive sets a new record

    The animals may rely on large stores of oxygen, a slow metabolism and the ability to tolerate lactic acid to go for hours without surfacing for air.

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  4. Ancient ostracod species mating
    Animals

    A tiny crustacean fossil contains roughly 100-million-year-old giant sperm

    Giant sperm preserved in an ancient ostracod may be the oldest known sperm fossil, showing that giant sperm have existed at least 100 million years.

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  5. Pit viper
    Animals

    Cheap, innovative venom treatments could save tens of thousands of snakebite victims

    Momentum is building to finally tackle a neglected health problem that strikes poor, rural communities.

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  6. illustration on an ancient Lystrosaurus
    Paleontology

    Ancient Lystrosaurus tusks may show the oldest signs of a hibernation-like state

    Oddball ancestors of mammals called Lystrosaurus might have slowed way down during polar winters.

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  7. tobacco hawkmoth drinking from a plant
    Environment

    This moth may outsmart smog by learning to like pollution-altered aromas

    In the lab, scientists taught tobacco hawkmoths that a scent changed by ozone is from a favorite flower.

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  8. black metaltail hummingbird
    Animals

    This hummingbird survives cold nights by nearly freezing itself solid

    To survive cold Andean nights, the black metaltail saves energy by cooling itself to record-low temperatures, entering a state of suspended animation.

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  9. image of a sea butterfly on a black background
    Animals

    Sea butterflies’ shells determine how the snails swim

    New aquarium videos show that sea butterflies of various shapes and sizes flutter through water differently.

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  10. flamboyant cuttlefish
    Animals

    Flamboyant cuttlefish save their bright patterns for flirting, fighting and fleeing

    A new field study of flamboyant cuttlefish shows they don’t always live up to their reputation.

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  11. a female hyena and her cub
    Animals

    Female hyenas kill off cubs in their own clans

    Along with starvation and mauling by lions, infanticide leads as a cause of hyena cub death. Such killings may serve to enforce the social order.

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  12. Aedes aegypti
    Animals

    Genetically modified mosquitoes have been OK’d for a first U.S. test flight

    After a decade of heated debate, free-flying swarms aimed at shrinking dengue-carrying mosquito populations gets a nod for 2021 in the Florida Keys.

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