Life

  1. illustration of crocodile ancestors walking on two legs
    Life

    Fossil footprints show some crocodile ancestors walked on two legs

    The 106-million-year-old tracks suggest that other puzzling nearby fossils were also likely made by a bipedal croc ancestor, not a giant pterosaur.

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  2. woman smelling a flower
    Neuroscience

    The way the coronavirus messes with smell hints at how it affects the brain

    Conflicting reports offer little clarity about whether COVID-19 targets the brain.

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  3. sea otter floating on water
    Ecosystems

    Bringing sea otters back to the Pacific coast pays off, but not for everyone

    Benefits of reintroducing sea otters in the Pacific Northwest, such as boosting tourism, vastly outweigh the costs, a new analysis shows.

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  4. Lactobacillus bacteria
    Life

    Scientists want to build a Noah’s Ark for the human microbiome

    Just as the Svalbard Global Seed Vault protects global crop diversity, the Microbiota Vault may one day protect the microbes on and in our bodies.

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  5. Modigliani’s nose-horned lizard
    Animals

    A nose-horned dragon lizard lost to science for over 100 years has been found

    It’s now known that a Modigliani’s lizard, first found in 1891 in Indonesia, is bright green but can shift shades like a chameleon.

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  6. Frederieke Kroon diving
    Life

    Fish poop exposes what eats the destructive crown-of-thorns starfish

    During population booms, crown-of-thorns can devastate coral reefs. Identifying predators of the coral polyp slurpers could help protect the reefs.

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  7. coyote walking up stairs in a park
    Animals

    5 reasons you might be seeing more wildlife during the COVID-19 pandemic

    From rats and coyotes in the streets to birds in the trees, people are noticing more animals than ever during the time of the coronavirus.

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  8. ancient brachiopod illustration
    Life

    These tube-shaped creatures may be the earliest known parasites

    Fossils from over 500 million years ago might be the first known example of parasitism in the fossil record, though the evidence isn’t conclusive.

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  9. Dead Sea Scrolls
    Archaeology

    The Dead Sea Scrolls contain genetic clues to their origins

    Animal DNA is providing researchers with hints on how to assemble what amounts to a giant jigsaw puzzle of ancient manuscript fragments.

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  10. Map of the heart's 'brain'
    Neuroscience

    A new 3-D map illuminates the ‘little brain’ within the heart

    Microscopy and genetic studies yield a comprehensive map of the nerve cells found in the heart of a rat.

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  11. Asian giant hornet
    Life

    More ‘murder hornets’ are turning up. Here’s what you need to know

    Two more specimens of the world’s largest hornet have just been found in North America.

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  12. APOE protein model
    Genetics

    Genetic risk factors for Alzheimer’s also raise the risk of getting COVID-19

    People who have the APOE4 genetic variant appear to be more vulnerable to the disease, but it’s unclear why.

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