Uncategorized
- Physics
Hurrying a nuclear identity switch
Radioactive beryllium-7 atoms locked inside molecular cages decay extraordinarily quickly.
- 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.
- 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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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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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.
- 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.
- 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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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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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 […]
- 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.
- Math
Proof by Computer
Using computers to help prove theorems raises question about checking proofs.
- 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 […]
