Humans

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We summarize the week's scientific breakthroughs every Thursday.

  1. Humans

    Letters from the June 5, 2004, issue of Science News

    Blackened reputation Again, humans are implicated in the promotion and distribution of our own misery (“Medieval cure-all may actually have spread disease,” SN: 4/3/04, p. 222: Medieval cure-all may actually have spread disease). However, if bitumen was wrongly credited with darkening the skin of mummified remains, what caused it? Robert FizekNewton, Mass. The coating on […]

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  2. Humans

    Simple water filter can nail arsenic

    Field tests suggest that people who live in areas with arsenic-tainted aquifers may be able to purify their drinking water by passing it through a low-tech, low-cost filter that includes a bed of iron nails.

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  3. Health & Medicine

    Breast milk may lower cholesterol

    Feeding a newborn baby breast milk instead of formula during the first month of life improves the child's cholesterol readings later on.

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  4. Health & Medicine

    Cardiovascular Showdown—Chocolate vs. Coffee

    Chocolate appears to be good for your arteries, whereas coffee—or at least its caffeine—does damage.

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  5. Humans

    From the May 26, 1934, issue

    Extracting bromine from the sea, a new treatment for cancer, and a novel altimeter.

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  6. Humans

    Letters from the May 29, 2004, issue of Science News

    Judging by science “Forensics on Trial” (SN: 3/27/04, p. 202: Forensics on Trial) was an eye-opener. Our courts may be accepting many analytical techniques that haven’t been adequately validated. We should be careful, especially where the death penalty is involved, not to be guilty of hubris in the application of scientific knowledge. Bob SauerPrinceton, Mass. […]

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  7. Humans

    Famous Engineers

    Did you know that Scott Adams, cartoonist and creator of Dilbert, has an engineering background? Others who have been engineers or have an engineering background include astronaut Neil Armstrong, first man to walk on the moon, as well as film director Alfred Hitchcock, former Dallas football coach Tom Landry, and television talk show host Montel […]

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  8. Humans

    Travels with the War Goddess

    A botany expedition to Samoa turns out to be as much about the people as about the plants.

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  9. Health & Medicine

    Cutting blood supply to kill off fat

    Killing the blood vessels that sustain fat tissue causes obese mice to lose weight.

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  10. Health & Medicine

    Estrogen loss induces lung disease in mice

    Estrogen loss hampers lung function in mice by sabotaging the alveoli, the tiny sacs that deliver oxygen-rich air to the bloodstream.

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  11. Health & Medicine

    Folate enrichment pays baby dividends

    The federally mandated fortification of grain-based foods with folic acid has led to a 25 percent drop in the rate of potentially life-threatening neural tube birth defects.

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  12. Anthropology

    Out on a Limb

    The science of body development may make kindling out of evolutionary trees.

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