7,733 results
- Agriculture
EPA reviews hints of weed killer’s fetal risks
The Environmental Protection Agency will be convening meetings of its Scientific Advisory Panel on pesticides throughout 2010 to probe concerns about the safety of atrazine, a weed killer on which most American corn growers rely. The first meeting of these outside experts started Tuesday. And although a large number of studies have indicated that atrazine can perturb hormones in animals and human cells — and might even pose a possible risk of cancer amongst heavily exposed people, these outcomes were not the focus of EPA’s review Tuesday. Risks to babies were.
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Engineering a cooler Earth
Researchers brainstorm radical ways to counter climate change.
- Earth
Arctic images declassified
High-res Arctic sea images should be declassified, says National Research Council.
- Earth
Shaky Forecasts
Despite past failures, geophysicists think earthquake prediction might still be possible.
- Earth
Unusual advances
New glacier model helps explain how ice masses can grow even in a generally warming climate.
- Earth
Buried-lakes story wins top award
Some readers may be unaware of our sister publication, Science News for Kids, a weekly online magazine for middle-school readers. This morning, we learned that one of the site’s feature stories — Where Rivers Run Uphill — won this year’s top science journalism award for reporting news for children.
- Archaeology
Europe’s oldest stone hand axes emerge in Spain
Researchers report identifying Europe’s oldest stone hand axes at Spanish sites dating to 900,000 and 760,000 years ago.
- Earth
Erosion, on the down low
Experiments show how microscopic fungi attack minerals to begin the erosion process.
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Weed Killer in the Crosshairs
Concerns prompt reexamination of atrazine’s safety.
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Book Review: Charles Darwin: The ‘Beagle’ Letters by Frederick Burkhardt (Editor)
Review by Tom Siegfried.
- Earth
2009 Science News of the Year: Environment
Recent monitoring (from a gondola in Washington state, shown) reveals that rates of tree death are up. Credit: Univ. of Washington Routine tree deaths doubled Small background rates of everyday tree death have doubled in old-growth, western forests since 1955, possibly because of climate change, researchers report (SN: 2/14/09, p. 8). In 76 plots with […]
