Earth
- Earth
Composting cuts manure’s toxic legacy
Composting manure reduces its testosterone and estrogen concentrations, limiting the runoff of these hormones, which can harm wildlife.
- Earth
Photo Treasures
The National Oceanic and Atmospheric Administration offers an amazing library of more than 16,000 spectacular images, organized into a variety of topical sets. You can browse image collections devoted to coastlines, fisheries, ships, polar regions, severe storms, undersea research, nature reserves, flight, geodesy, coral reefs, and many other subjects. Go to: http://www.photolib.noaa.gov/ .
- Earth
Lowland tree loss threatens cloud forests
Changes in regional climate brought about by large-scale deforestation in the eastern lowlands of Central America are affecting weather in the mountains downwind, imperiling ecosystems there.
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- Earth
Rain of foreign dust fuels red tides
Soil particles from Africa, raining out from clouds over the Americas, may trigger the first steps that lead to toxic red-tide algal blooms off Florida.
- Earth
EU moves against flame retardants
The European Union has provisionally voted to ban the use and importation of nearly all members of a family of flame retardants known as polybrominated diphenyl ethers.
- Earth
Where’s the smoke from the N.Y. fires?
Analyses of smoke from the destroyed World Trade Center towers indicated little risk that the fires would cause significant health effects for cleanup crews and city residents.
- Earth
Dust, the Thermostat
Analyses suggest that dust has profound, complex, and far-reaching effects on the planet's climate.
- Earth
Quantum physics explains core anomaly
Scientists have used the principles of quantum physics to answer the long-standing puzzle of why seismic waves travel at different speeds in different directions across Earth's inner core.
- Earth
Himalayas may be due for big temblors
Scientists say that a narrow region that rims the southern edge of the Tibetan Plateau could be the spawning grounds for large earthquakes that could threaten millions in southern Asia in the decades to come.
- Earth
Dusty workplace may cause change of heart
Occupational exposure to fine dust can trigger adverse changes in the hearts of even strong, healthy workers.
- Earth
Bt Corn Risk to Monarchs Is ‘Negligible’
A much-anticipated report states that the most commonly planted forms of genetically engineered Bt corn pose only a "negligible" risk to monarch butterfly populations.
