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  1. Health & Medicine

    Turmeric component kills cancer cells

    Curcumin, the component of turmeric that makes the spice yellow, shows anticancer effects in lab-dish tests and in experiments on mice.

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  2. Health & Medicine

    Fighting cholesterol with saturated fat?

    Marrying a saturated fat to the plant-derived ingredient in certain health-promoting margarines creates an especially potent cholesterol-lowering food additive.

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  3. 19468

    This article mentions that the traffic volume was reduced following the attacks, yet fails to mention another likely factor in the increased deaths: Less traffic usually results in higher average speeds. Del DietrichSan Jose, Calif.

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  4. Car deaths rise days after terror attacks

    A spike in automobile fatalities in Israel 3 days after each of a recent series of terrorist attacks reflects a delayed, population-wide reaction to those violent incidents, two researchers propose.

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  5. Health & Medicine

    Adopted protein might be MS culprit

    A protein called syncytin might play a role in causing degradation of the fatty myelin sheath that insulates nerves, damage that leads to multiple sclerosis.

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  6. Astronomy

    More space sugar

    Astronomers have found a second, colder source of the simple sugar glycoaldehyde in a dust and gas cloud 26,000 light-years from Earth.

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  7. They’re Sequencing a What?

    Announcements of new targets for genome sequencing are bringing celebrity to lesser-known twigs on the tree of life.

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  8. Health & Medicine

    Vitamin Boost

    Vitamin D is being linked to a host of health benefits that go well beyond stronger bones, extending to muscle preservation and some protection against cancer, diabetes, and multiple sclerosis.

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  9. 19467

    I found both your articles on vitamin D very interesting. My question now is whether the rays received in a tanning bed can cause the skin to manufacture vitamin D. Wendy WadeKalamazoo, Mich. Ultraviolet–B radiation triggers the skin to produce vitamin D, whether those rays come from the sun or a lamp. However, not all […]

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  10. Math

    Proof by Computer

    Using computers to help prove theorems raises question about checking proofs.

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  11. Humans

    Letters from the October 2, 2004, issue of Science News

    On a diet While heart disease victim Jody Gorran’s lawsuit against the Atkins empire will be decided in court (“Counting Carbs,” SN: 7/17/04, p. 40: Counting Carbs), the deadlier battle is being waged in the research laboratory. Several studies confirm that low-carbohydrate diets cause marked cholesterol elevations for many individuals. In contrast, a vegetarian diet […]

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  12. Humans

    From the September 29, 1934, issue

    Structural details of chromosomes, America's Cup yacht technology, and an improved street car.

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