Life

  1. Genetics

    Mating with Neandertals reintroduced ‘lost’ DNA into modern humans

    Neandertal DNA brought back some old genetic heirlooms to modern humans.

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  2. Life

    How bird feeders may be changing great tits’ beaks

    Longer beaks may be evolving in U.K. great tits because of the widespread use of bird feeders in the country.

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  3. Genetics

    Resurrecting extinct species raises ethical questions

    'Rise of the Necrofauna' examines the technical and ethical challenges of bringing woolly mammoths and other long-gone creatures back from the dead.

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  4. Genetics

    Doubling up on ‘junk DNA’ helps make us human

    DNA duplicated only in humans may contribute to human traits and disease.

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  5. Life

    The next wave of bird flu could be worse than ever

    Deadly bird flu can pass between ferrets through the air.

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  6. Life

    The physics of mosquito takeoffs shows why you don’t feel a thing

    Even when full of blood, mosquitoes use more wing force than leg force to escape a host undetected — clue to why they’re so good at spreading disease.

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  7. Particle Physics

    Readers question photons colliding, black sea snakes and more

    Readers had questions about brain flexibility, black sea snakes and photon collisions.

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  8. Animals

    Being a vampire can be brutal. Here’s how bloodsuckers get by.

    Blood-sucking animals have specialized physiology and other tools to live on a diet rich in protein and lacking in some nutrients.

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  9. Oceans

    Here’s a breakdown of the animals that crossed the Pacific on 2011 tsunami debris

    Hundreds of marine animals from Japan have washed up on U.S. beaches since the destructive 2011 earthquake and tsunami.

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  10. Health & Medicine

    A universal flu shot may be nearing reality

    Scientists are developing a universal vaccine against flu, making annual shots a thing of the past.

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  11. Life

    Gut fungi might be linked to obesity and inflammatory bowel disorders

    Fungi are overlooked contributors to health and disease.

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  12. Animals

    To understand the origins of pain, ask a flatworm

    A danger-sensing protein responds to hydrogen peroxide in planarians, results that hint at the evolutionary origins of people’s pain sensing.

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