Humans

  1. Chemistry

    Gotcha! New test stalks diseases early

    Chemists screen blood for disease markers by adapting a common DNA test. The test can find disease earlier, when it also may be easier to treat.

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  2. Health & Medicine

    Why Paralympic sprinters have trouble with curves

    Whether an artificial leg is on the right or left side of the body may affect how fast runners can take a turn.

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  3. Genetics

    Pacific islanders got a double dose of Stone Age DNA

    Unlike other people, certain Pacific Islanders inherited DNA from two ancient human ‘cousins.’

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  4. Health & Medicine

    Cool jobs: Brainy ways to battle obesity

    Scientists from different fields are tapping into connections between food and the brain to help people fight obesity and overcome the urge to overeat.

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  5. Environment

    Breathing very dirty air may boost obesity risk

    Breathing dirty Beijing air made rats heavier and less healthy than rats breathing clean air. Scientists now worry such polluted air may do the same thing to people.

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  6. Health & Medicine

    Eating breakfast — even twice — is truly the healthier choice

    Some experts argue that breakfast is the most important meal of the day — especially for keeping school-age kids at a healthy weight.

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  7. Brain

    ‘Mindfulness’ defuses stress in classrooms and teaching

    The science behind mindfulness shows that both teachers and students can benefit from a bit of focused attention.

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  8. Health & Medicine

    From zits to warts: Which disturb people most?

    In a recent study, people rated acne as one of the most upsetting skin conditions. Many believed myths and misconceptions about zits.

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  9. Animals

    Cool Jobs: Pet science

    Pets make great subjects for research. These scientists work to make our animals — and us — healthier and happier.

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  10. Health & Medicine

    Scientists link Zika to nerve disease

    The Zika virus is spreading in the Americas. There has also been an uptick in cases of Guillain-Barré syndrome. Scientists think the two are linked.

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  11. Humans

    Slicing meat may have aided human evolution

    An experiment with modern-day humans shows how slicing meat could have saved human ancestors energy — and let their bodies and brains get bigger.

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  12. Plants

    Explainer: Some supplements may not have what it takes

    Dietary supplements made from plants may not contain all of the chemicals that usually make a particular plant healthy for humans.

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