Uncategorized
- Earth
Toxic metals taint ancient dust
A new study of dust lofted to Antarctica suggests that excess amounts of trace metals coated dust grains long before human industrial activity began loading the atmosphere with pollutants.
- Earth
Turbulence leads to early rain of ash
A new aerodynamic analysis suggests that chaotic turbulence in a high-altitude cloud of volcanic ash can cause small particles of the ash to clump together and fall to the ground much closer to the volcano than expected.
- Materials Science
Getting Out the Thorn
Researchers are developing new ways to improve the compatibility of implantable biomaterials in the body.
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From a cattleman’s perspective, I would like to add to your timely article that besides the benefits that would come to the environment from stopping the use of pharmaceutical growth promoters in cattle, we would also have a more tender product to market.
