Humans

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We summarize the week's scientific breakthroughs every Thursday.

  1. Environment

    Lead levels in ancient Rome’s water were high, but not toxic

    Ancient Romans probably drank tap water with up to 100 times more lead than the levels found in local spring water.

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  2. Neuroscience

    Bingeing rats show the power of food habits

    Rats allowed to binge on sweetened milk show a bad habit for food. But while food might change our habits, a bad food habit may not necessarily be an addiction.

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  3. Climate

    Feedback

    Readers discuss the influence of clouds on climate, how to treat addiction and which human-made hazards are the biggest bird-killers.

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  4. Health & Medicine

    Unsolved drugs

    Long thought to launch precision attacks against bacteria, antibiotics may also cause lethal collateral damage, according to a controversial theory. Exploring how these compounds kill may reveal new ways to fight antibiotic resistance.

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  5. Health & Medicine

    Gene variant, processed meat linked to boost in cancer risk

    In people with a specific variation of a gene on chromosome 10, eating processed meat is associated with an increased risk of developing colon cancer.

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  6. Neuroscience

    Poor slumber is bad for young flies’ brains

    A child's sleep deprivation could alter brain development and adult behavior, a study of fruit flies suggests.

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  7. Life

    Protein that gets sperm into egg identified

    The protein Folr4 on a reproductive egg plays this crucial role in the fusion of the sperm and egg, research shows.

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  8. Neuroscience

    Even with rest, brain changes linked to football linger

    The offseason may not allow enough time for football players' brains to heal from hard hits.

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  9. Genetics

    Gene activity sets humans apart from extinct hominids

    Differences in gene activity caused by DNA methylation distinguish modern people from Neandertals and Denisovans.

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  10. Genetics

    Down’s syndrome goes beyond chromosome 21

    A genetic analysis suggests that the DNA changes linked to Down's syndrome happen on all chromosomes, not just the 21st.

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  11. Health & Medicine

    Possible measles drug tests well in animals

    Compound that saves ferrets from viral infection might someday lead to measles treatment.

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  12. Health & Medicine

    What’s going on in the mind of a Skyping baby?

    By studying how young children respond to video calls, scientists hope to understand the role of new technology.

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