Genetics

  1. ear wax
    Genetics

    What your earwax says about your ancestry

    Both armpit and ear wax secretions are smellier in Caucasians than in Asians, thanks to a tiny genetic change that differs across ethnic groups.

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  2. Genetics

    Genes involved in dog OCD identified

    Scientists say they have identified several of the genes that trigger obsessive-compulsive disorder in Doberman pinschers, bullterriers, sheepdogs and German shepherds.

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  3. Humans

    Clovis baby’s genome unveils Native American ancestry

    DNA from skeleton shows all tribes come from a single population.

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  4. Genetics

    Origin of Tibetans’ high-altitude adaptations found

    Mixing genes of two ancestral populations gave modern Tibetans their ability to withstand high altitude.

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  5. Genetics

    When flowers died out in Arctic, so did mammoths

    Genetic analysis finds vegetation change in the Arctic around same time as megafauna extinction.

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  6. Genetics

    Chemical changes to genes make twins’ pain differ

    Chemical changes to genes may make identical twins experience pain differently.

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  7. Humans

    DNA suggests humans moved back into Africa

    About 3,000 years ago, human populations from western Eurasia migrated back into eastern Africa, specifically Ethiopia.

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  8. Genetics

    Bacteria can be genetically tricked into self-destructing

    Manipulating microbes’ defenses could lead to targeted antibiotics.

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  9. two cynomolgus monkeys
    Genetics

    Monkeys born with edited genes

    A DNA-snipping technique inspired by bacteria shows therapeutic promise.

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  10. Health & Medicine

    Tumors grow faster in cancer-prone mice given vitamins

    The tumors killed the mice twice as fast as early-stage lung lesions in mice not given the antioxidants, researchers report.

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  11. Genetics

    Feedback

    Readers discuss the names of really big numbers and whether Lamarckian evolution is making a comeback.

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  12. Genetics

    Stone Age Spaniard had blue eyes, dark skin

    Genetics of 7,000-year-old skeleton suggests blond hair, pale skin came later.

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