Microbes

  1. lung scans
    Health & Medicine

    Injecting a TB vaccine into the blood, not the skin, boosts its effectiveness

    Giving a high dose of a tuberculosis vaccine intravenously, instead of under the skin, improved its ability to protect against the disease in monkeys.

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  2. airplane bathroom sign
    Microbes

    Airplane sewage may be helping antibiotic-resistant microbes spread

    Along with drug-resistant E. coli, airplane sewage contains a diverse set of genes that let bacteria evade antibiotics.

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  3. chewed birch pitch
    Archaeology

    DNA from 5,700-year-old ‘gum’ shows what one ancient woman may have looked like

    From chewed birch pitch, scientists recovered DNA from an ancient woman and her mouth microbes and hazelnut and duck DNA from a meal she’d consumed.

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  4. Pan de Azúcar National Park
    Ecosystems

    A newly found Atacama Desert soil community survives on sips of fog

    Lichens and other fungi and algae unite to form “grit-crust” on the dry soil of Chile’s Atacama Desert and survive on moisture from coastal fog.

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  5. Stentor roeseli
    Life

    A single-celled protist reacts to threats in surprisingly complex ways

    New research validates a century-old experiment that shows single-celled organisms are capable of complex “decision making.”

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  6. choanoflagellates
    Life

    Acrobatic choanoflagellates could help explain how multicellularity evolved

    A newfound single-celled microbe species forms groups of multiple individual organisms that change shape in response to light.

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  7. salad and vegetables
    Humans

    Personalized diets may be the future of nutrition. But the science isn’t all there yet

    How a person responds to food depends on more than the food itself. But what exactly is still a confusing mix of genes, microbes and other factors.

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  8. administering a polio vaccine
    Health & Medicine

    50 years ago, polio was still circulating in the United States

    The world has never been closer to eradicating polio, but the disease could come roaring back where vaccination is spotty.

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  9. koala
    Life

    Fecal transplants might help make koalas less picky eaters

    Poop-transplant pills changed the microbial makeup of koalas’ guts. That could allow the animals to adapt when a favorite type of eucalyptus runs low.

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  10. coral
    Life

    How a newly identified bacterium saps corals of their energy

    A parasitic bacterium that preys on corals quickly reproduces when it senses more nutrients in its host.

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  11. marine symbiosis
    Life

    This is the first fungus known to host complex algae inside its cells

    In the lab, an alga and a fungus teamed up to exchange food, similar to lichens. But instead of staying outside, the alga moved into the fungal cells.

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  12. green algae
    Plants

    ‘Slime’ shows how algae have shaped our climate, evolution and daily lives

    The new book ‘Slime’ makes the case that algae deserve to be celebrated.

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