Life

  1. Life

    Gut microbes get first dibs on heart meds

    Some people harbor a strain of bacteria that chews through cardiac medication before it can treat symptoms.

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  2. Life

    Size isn’t only mystery of huge virus

    A strange replication method and an unusual genetic sequence are among the mysteries of the outsized Pandoravirus.

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  3. Life

    Microbes can draw the line between species

    Wasps' gut inhabitants can kill or save crossbreeds.

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  4. Life

    Stem cells made with just seven chemicals

    Chemical cocktail turns adult mouse cells into embryonic-like ones.

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  5. Genetics

    Technique inactivates Down-causing chromosome

    Though far from a cure, the advance could eventually lead to gene therapy that alleviates some symptoms.

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  6. Animals

    Fattened livers prep white sharks for extreme migrations

    The organ's reserves enable a long journey from waters off California to Hawaii and back, tracking data suggest.

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  7. Paleontology

    Dinosaur had impressive schnoz

    Fossils found in Utah reveal geographic segregation of horned species.

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  8. Life

    Flagellum failure lets bacteria turn

    Buckling of appendage drives tiny two-point turn.

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  9. Life

    Genetic test fingers viral, bacterial infections

    If made to take less time, test could help doctors treat children's fevers.

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  10. Paleontology

    T. rex hunted live prey

    Fossils yield tooth in healed wound of another dinosaur.

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  11. Animals

    Sponges boom thanks to Antarctic ice shelf bust

    Previously thought to grow at a slow pace, the sea creatures exploded in number.

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  12. Genetics

    Killer whales are (at least) two species

    Orca genetics highlights distinctions among groups that feed on different prey.

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