Humans

  1. Health & Medicine

    Like bloodhounds, worms are sniffing out human cancers

    Scents emitted by diseased cells may usher in a new era of safe, low-cost screening tests for cancer and other illnesses.

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  2. Psychology

    Prevention programs can help reduce teen dating violence

    Teen dating violence has many forms and affects an estimated one-third of teens. New studies explore what programs may help prevent this harm.

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  3. Psychology

    Five tips to consider when dating goes wrong

    When dating is more hurtful than loving, it may be time to ask if there may be big trouble — and harm — ahead.

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  4. Psychology

    Lying won’t stretch your nose, but it will steal some brainpower

    The science of lying shows that most people don’t lie often. But when they do, it takes a surprising toll on their brains.

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  5. Animals

    Scientists Say: Migration

    Migration involves the movement of animals or people from one place to another.

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  6. Health & Medicine

    In an emergency, you may want to see Dr. Dog

    Emergency room visits by therapy dogs can reduce pain, anxiety and depression in patients waiting for care, a new study finds.

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  7. Environment

    We all unknowingly eat plastic, which may host toxic pollutants

    In the environment, plastics attract all types of toxic chemicals. If ingested, new data show, chemicals on those plastic bits may harm the gut.

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  8. Health & Medicine

    Sickle-cell gene therapies offer hope — and challenges

    Doctor Erica Esrick discusses existing treatments and an ongoing clinical trial for a gene therapy to treat sickle cell disease.

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  9. Health & Medicine

    Explainer: What is sickle cell disease?

    Gene mutations can alter an individual’s hemoglobin in ways that curl their blood cells. This can cause painful sickle cell disease.

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  10. Health & Medicine

    Explainer: The body’s immune system

    An army of cells — and their protein arsenal — work to keep us safe. Several squads of special forces possess unique superpowers to disable or kill intruders.

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  11. Humans

    The earliest known pants are surprisingly modern — and comfy

    This 3,000-year-old garment was not only stylish but also functional. By recreating it, scientists also unraveled its complex and multicultural origins.

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  12. Humans

    Is the sky really blue? It depends on what language you speak

    English speakers talk about color a lot but rarely about smell. Researchers are learning how those who speak other languages sense the world and why differences arise.

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