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We summarize the week's scientific breakthroughs every Thursday.

  1. Health & Medicine

    Step away from the cookie dough. E. coli outbreaks traced to raw flour

    Flour, though low in moisture, can sicken people with E. coli toxins if it is eaten raw.

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  2. Health & Medicine

    Six-month-old babies know words for common things, but struggle with similar nouns

    Young babies know a cup of juice from a car, but have a hard time distinguishing more similar nouns, a new study finds.

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  3. Archaeology

    Skeletons could provide clues to who wrote or protected the Dead Sea Scrolls

    Skeletons suggest a group of celibate men inhabited Dead Sea Scrolls site.

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  4. Health & Medicine

    How dad’s stress changes his sperm

    Stress may change sperm via packets of RNA in the epididymis, a mouse study suggests.

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  5. Science & Society

    Readers inspired by SN 10 scientists’ research

    Readers wanted to know more about the scientists' research who were profiled in "The SN 10: Scientists to watch."

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  6. Archaeology

    How Asian nomadic herders built new Bronze Age cultures

    Ancient steppe herders traveled into Europe and Asia, leaving their molecular mark and building Bronze Age cultures.

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  7. Health & Medicine

    New blood pressure guidelines put half of U.S. adults in unhealthy range

    New hypertension guidelines broaden the range of those considered to have high blood pressure and emphasize lifestyle changes to combat the condition.

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  8. Science & Society

    Philosophical critique exposes flaws in medical evidence hierarchies

    Rankings of research methods for validity of medical evidence suffer from logical flaws, an in-depth philosophical critique concludes.

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  9. Health & Medicine

    Cholera pandemics are fueled by globe-trotting bacterial strains

    International cholera strains, rather than local ones, have caused raging epidemics, according to research that examined the bacteria’s DNA.

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  10. Anthropology

    Ancient European farmers and foragers hooked up big time

    Interbreeding escalated in regionally distinct ways across Neolithic Europe.

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  11. Genetics

    Scientists replaced 80 percent of a ‘butterfly’ boy’s skin

    By correcting genes in stem cells and growing new skin in the lab, a new therapy repaired a genetic skin disease.

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  12. Health & Medicine

    Human study supports theory on why dengue can be worse the next time around

    The amount of dengue antibodies leftover in the blood may up the chances of a severe second dengue infection, a study finds.

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