Life

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We summarize the week's science breakthroughs every Thursday.

  1. Paleontology

    T. rex hunted live prey

    Fossils yield tooth in healed wound of another dinosaur.

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  2. 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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  3. Genetics

    Killer whales are (at least) two species

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

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  4. Genetics

    Chromosome Variations

    Excerpt from the July 27, 1963, issue of Science News Letter

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  5. Neuroscience

    Finding the brain’s common language

    Erich Jarvis dreams of creating a talking chimpanzee. If his theories on language are right, that just might happen one day.

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  6. Neuroscience

    Memories lost and found

    Drugs that help mice remember reveal role for epigenetics in recall.

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  7. Life

    Gene therapy treats children with rare diseases

    Six kids are healthy, up to three years after treatment.

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  8. Life

    Bacterial molecules may prevent inflammatory bowel disease

    Common compounds produced by gut microbes quench colitis in mice.

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  9. Life

    Lab-grown liver raises hopes but draws criticism

    Though human cells spontaneously group into rudimentary organs, some scientists say work is very preliminary.

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  10. Life

    Deadly flu virus flourishes in lung cells

    H7N9 influenza's clinging ability in humans and birds raises concerns about increased transmission between species.

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  11. Animals

    Hawkmoths squeak their genitals at threatening bats

    Sounds of an approaching predator inspire ultrasonic rasping in insect prey.

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  12. Animals

    Highlights from the Evolution 2013 meeting

    Selections from the meeting include a natural fish experiment, terrapins' light displays and why a variety of eye colors persist in people, presented June 21-25 in Snowbird, Utah.

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