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19821
The title of this article exemplifies the problem. By law, the official and preferred system of measurement for all U.S. activities is SI, or the modern metric system. We too often forget that a gram of prevention is worth three kilograms of cure. Education reform at all levels needs to model and teach SI units. […]
- Tech
Wanted: Better Yardsticks
A new federal survey has found that a lack of measurement tools may jeopardize the United States' edge in technological innovation.
- Computing
The Machine’s Got Rhythm
By teaching computers how to transcribe musical recordings, a relatively mundane task, researchers are opening new musical possibilities.
- Health & Medicine
Diet for a Noisy Planet
Oral doses of a combination of certain antioxidants and magnesium can significantly limit the risk of noise-induced hearing loss, an animal study finds.
- Humans
Letters from the April 21, 2007, issue of Science News
How the West isn’t one The author of “Why So Dry? Ocean temperatures alone don’t explain droughts” (SN: 2/10/07, p. 84), seems to feel, like most other writers do, that “the western United States” properly covers all geographical bases. Believe me, the Pacific Northwest is anything but dry. One other point about geography: Weather phenomena, […]
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- Math
Euler’s Beautiful Equation
Leonhard Euler, one of the greatest mathematicians of all time, was born 300 years ago on April 15, 1707.
- Health & Medicine
Cinnamon and Diabetes—Disease Type Appears to Matter
Cinnamon isn't the answer for teens with the autoimmune form of diabetes.
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From the April 10, 1937, issue
Living pearls and a clue to atomic structure.
- Earth
Greaseball Challenge
And they’re off! The participants in this charity biofuel car rally are on their way from the U.S. East Coast to San Jose, Costa Rica. Powered by biodiesel, vegetable oil, waste grease, and other alternative fuels, the vehicles will all be donated to local communities at the end of the rally, which runs until April […]
- Anthropology
Disinherited Ancestor: Lucy’s kind may occupy evolutionary side branch
A controversial analysis of a recently discovered jaw from a 3-million-year-old Australopithecus afarensis puts Lucy's species on an evolutionary side branch that eventually died out.
- Health & Medicine
Agents of Metastasis: Four proteins conspire in breast cancer spread
Four proteins work together to assist cancer growth and metastasis, and drugs against them inhibit both processes, tests in mice suggest.
