Humans

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We summarize the week's scientific breakthroughs every Thursday.

  1. Health & Medicine

    Stroke Stopper: New vaccine curbs blood vessel damage in lab animals

    A vaccine that desensitizes the immune system to a protein inside blood vessels prevents some strokes in laboratory rats.

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  2. Health & Medicine

    Pet exposure may reduce allergies

    Exposing children to cats or dogs at an early age may make them less prone to allergies later in life.

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  3. Anthropology

    Gene change hints at brain evolution

    A genetic mutation found only in humans first appeared around 2.8 million years ago, perhaps setting the stage for brain enlargement in the Homo lineage.

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  4. Health & Medicine

    Missed ZZZ’s, More Disease?

    New evidence suggests that chronic lack of sleep may be as important as poor nutrition and physical inactivity in the development of chronic illnesses such as obesity, diabetes, and cardiovascular disease.

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  5. Health & Medicine

    Bacteria offer drug for organ recipients

    Korean investigators have identified a compound that suppresses the immune system of animals.

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  6. Health & Medicine

    You’re Feeling Sleepy . . . : Anesthetics activate brain’s sleep switch

    Anesthesia's sedative effect may depend on activating sleep circuits in the brain.

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  7. Health & Medicine

    Flower Power: Corn lily compound stops cancer in mice

    A new study in mice suggests that cyclopamine, a plant derivative that causes birth defects in animals, can inhibit medulloblastoma, a brain cancer in children.

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  8. Health & Medicine

    Lost and found

    Researchers have shown that a drug may shepherd a mutated protein—gone astray in people with cystic fibrosis—into its proper place.

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  9. Health & Medicine

    Processing corn boosts antioxidants

    Cooking sweet corn increases its disease-fighting antioxidant activity, despite decreasing its vitamin C content.

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  10. Health & Medicine

    Inflammatory Ideas

    Researchers are gathering evidence that inflammation precedes and predicts diabetes.

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  11. Health & Medicine

    Hear, Hear

    A 14-year study of twin babies shows definitively for the first time that there's a link between middle ear infections and heredity.

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  12. Archaeology

    Vase shows that ancients dug fossils, too

    A painting on an ancient Corinthian vase may be the first record of a fossil find.

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