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Science News has been published since 1922. This award-winning biweekly news magazine covers important and emerging research in all fields of science. It publishes concise, accurate, timely articles that appeal to both general readers and scientists, reaching nearly 130,000 subscribers and more than one million readers. Audible.com distributes an audio edition of Science News. News from the Science News reporting team also appears at www.sciencenews.org. Updated daily, this site covers all areas of science.
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High up in the steppes of Kazakhstan is where it may have first happened: a human decided to climb atop a horse instead of killing it for meat. The act seems trivial today, but nearly 5500 years ago it would have been revolutionary."Horse domestication was a landmark moment, a bit like the invention of the wheel," says Alan Outram of the University of Exeter, UK.By domesticating horses, humans cre...
03-06
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Caterpillars shouldn’t always trust their guts. A new study reports that stomach microbes can betray their pest hosts, conspiring with Bt toxin to kill the lepidopteran larvae.The findings, released online March 3 in BMC Biology, reveal “a new realm of exciting interactions that we didn’t anticipate,” comments entomologist Bruce Tabashnik of the University of Arizona in Tucson.A greater understand...
03-06
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An experimental drug called mepolizumab can prevent severe asthma attacks in people with an uncommon form of the disease that responds poorly to standard steroid medications, researchers report in two studies in the March 5 New England Journal of Medicine.Scientists from Britain and Canada also find that a simple test of sputum (coughed up matter) can reveal which patients would most likely benefi...
03-06
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The high-flying Landsat 5 celebrated a quarter-century in orbit March 1 by snapping an image of Alaska’s Redoubt Volcano, a peak that’s been rumbling and threatening to erupt since November 2008.Since its launch in 1984, the VW Beetle-sized craft has circled Earth at an altitude of about 700 kilometers more than 130,000 times — once every 99 minutes, says Kristi Kline, program manager for Landsat ...
03-06
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Central Asia’s vast grasslands hosted a prehistoric revolution in transportation, communication and warfare, thanks to the humble horse. Remains from Kazakhstan’s more than 5,000-year-old Botai culture have yielded the earliest direct evidence for domestication of these versatile beasts, scientists report.The Botai people were hunter-gatherers who lived in large settlements for months or years. Th...
03-06
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