Humans

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We summarize the week's scientific breakthroughs every Thursday.

  1. Archaeology

    Indigenous input revealed early hints of fiber making in the tropics

    To decipher marks on nearly 40,000-year-old stone tools and figure out what they were used for, researchers turned to the Philippines’ Pala’wan people.

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  2. Psychology

    Boys experience depression differently than girls. Here’s why that matters

    Boys’ depression often manifests as anger or irritability, but teen mental health surveys tend to ask about hopelessness.

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  3. Anthropology

    Fossil marks suggest hominids butchered one another around 1.45 million years ago

    Researchers disagree whether new evidence of stone tool marks on a hominid leg bone reflects ancient cannibalism or perhaps some other, undetected behavior.

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  4. Astronomy

    50 years ago, a search for proof that the Maya tracked comets came up short

    The mystery of whether the ancient civilization tracked comets endures, but recent evidence hints the Maya tracked related meteor showers.

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  5. Genetics

    The first gene therapy for muscular dystrophy has been approved for some kids

    The U.S. Food and Drug Administration cleared a shortened version of a gene for a muscle protein to be used in 4- and 5-year-olds with muscular dystrophy.

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  6. Tech

    How understanding horses could inspire more trustworthy robots

    Computer scientist Eakta Jain pioneered the study of how human-horse interactions could help improve robot design and shape human-robot interactions.

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  7. Health & Medicine

    ‘In the Blood’ traces how a lifesaving product almost didn’t make it

    There’s plenty of drama in Charles Barber’s new book, which explores why a blood-clotting invention was initially dismissed.

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  8. Archaeology

    An old perfume bottle reveals what some ancient Romans smelled like

    Chemical analyses reveal that an unopened flask of perfume from 2,000 years ago contained patchouli, a common ingredient in modern perfumes.

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  9. Anthropology

    These ancient flutes may have been used to lure falcons

    Seven bird-bone flutes unearthed from a site in northern Israel are about 12,000 years old and may have been used as bird calls.

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  10. Health & Medicine

    Taurine slows aging in mice. Will it ever work for people?

    The amino acid taurine — found in meats, produced by the body and common in energy drinks — may have a role in health and aging, a new study suggests.

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  11. Neuroscience

    Brain cavities that swell in space may need at least 3 years to recover

    MRI scans of astronauts show that duration in space and time between flights affect how much the brain’s fluid-filled cavities expand during missions.

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  12. Animals

    When and why did masturbation evolve in primates? A new study provides clues

    In a first-of-its-kind comparative study, researchers show that primates were masturbating 40 million years ago and that the behavior may help males keep their sperm fresh.

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