Humans

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We summarize the week's scientific breakthroughs every Thursday.

More Stories in Humans

  1. Archaeology

    7 stone tools might rewrite the timeline of hominid migration in Indonesia 

    Excavated implements suggest a Homo species arrived on Sulawesi over 1 million years ago, before a nearby island hosted hobbit ancestors.

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  2. Genetics

    This snail may hold a secret to human eye regeneration

    Golden apple snails can regrow full, functional eyes. Studying their genes may reveal how to repair human eye injuries.

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  3. Health & Medicine

    What is the best exercise to improve sleep?

    An analysis of 30 trials delivered a surprising twist: One exercise outperformed walking, resistance training and aerobic exercise in the treatment of sleep disorders such as insomnia.

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  4. Health & Medicine

    Higher colon cancer rates may reflect earlier screening success

    The recommended age for starting colorectal cancer screening is now 45. That shift may explain a rise in early cases.

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  5. Health & Medicine

    Some probiotics could feed, rather than fend off, infections

    Probiotics containing Lactobacillus gasseri Lg-36 prevented C. difficile infections in mice, but L. acidophilus probiotics made infection more likely.

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  6. Health & Medicine

    Some U.S. newborns still get HIV despite efforts to screen for it. Here’s why

    Routine tests in the third trimester may catch missed cases and flag the need for treatment that reduces a baby‘s risk of getting HIV to near zero.

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  7. Health & Medicine

    A molecule produced by gut microbes may help spur heart disease

    A leftover from microbes’ meals is linked to early heart disease in people. In mice, it contributed to plaque buildup in the arteries.

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  8. Health & Medicine

    You may already have some protection from bird flu, but don’t count on it

    Studies suggest that people who had seasonal flus or vaccinations have low antibody levels against H5N1 bird flu.

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  9. Health & Medicine

    Seeing sick faces may prime the immune system to repel invaders

    Seeing sick-looking faces in virtual reality triggers brain circuit changes related to threat detection and boosts activity of certain immune cells.

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