Humans

  1. Health & Medicine

    Balancing Act: Excess steroids during pregnancy may pose risks for offspring

    Heavy amounts of steroids taken during pregnancy can have long-term deleterious effects on offspring, a study of monkeys shows.

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  2. Health & Medicine

    Risky Flames: Firefighter coronaries spike during blazes

    A disproportionate number of heart disease deaths among firefighters occur during blazes.

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  3. Health & Medicine

    Hepatitis B found in wrestlers’ sweat

    Traces of hepatitis B have turned up in the perspiration of wrestlers, suggesting that the virus could spread to their opponents and teammates.

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  4. Health & Medicine

    Preemies respond to immunizations

    Babies born prematurely rev up an immune response to two routine childhood vaccines as well as babies who are born full-term.

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  5. Anthropology

    Mysterious Migrations

    Controversial new studies report that modern humans from Africa launched cultural advances in Europe at least 36,000 years ago and reached what's now western Russia more than 40,000 years ago.

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  6. Health & Medicine

    Planting the Seeds for Folate Enrichment

    Florida scientists have engineered tomatoes with 20 times the ordinary amount of folate, making them the most concentrated source of this important vitamin ever measured.

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  7. Humans

    Letters from the March 24, 2007, issue of Science News

    Story panned So we shouldn’t cook food in easily cleanable pots because we might release a little bit of maybe-not-even-toxic chemicals into the food (“Heating releases cookware chemicals,” SN: 1/27/07, p. 61)? Because a common chemical found worldwide is merely suspected of being linked to worldwide rates of exposure? Why are our U.S. companies being […]

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  8. Humans

    From the March 13, 1937, issue

    Man helping snake, paraffin lenses for neutrons, and glass with a past.

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  9. Humans

    The Next Generation: Intel Science Talent Search honors high school achievers

    A 17-year-old from Oklahoma City who built a homemade Raman spectra system took first place at this year's Intel Science Talent Search.

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  10. Anthropology

    Ancient Slow Growth: Fossil teeth show roots of human development

    An extended period of childhood evolved in people at least 160,000 years ago.

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  11. Health & Medicine

    Brain Fix: Stem cells supply missing enzyme

    Brain stem cells implanted into sick mice restored a missing enzyme and extended life span by 70 percent.

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  12. Health & Medicine

    Emerging bug pilfers DNA

    A virulent bacterium invading U.S. hospitals and the battlefields of the Middle East pilfers its genes from other bacteria.

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