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ACS News Service Weekly PressPac: April 14, 2010
The geologic time scale, shown in this chart, might be amended in the future to include a new period called the “Anthropocene epoch” that is marked by stunning population growth and unprecedented changes in human activity. In just two centuries, humans have wrought such vast and unprecedented changes to our world that we actually might be ushering in a new geological time period that...
Eggs from chickens that consumed extremely high levels of melamine in their feed still did not contain levels of the potentially toxic contaminant that exceeded U. S. Food and Drug Administration (FDA) limits. That was the conclusion of the first study to check on the effects of melamine-contaminated feed in laying hens. It appears in ACS’ Journal of Agricultural and Food Chemistry, a bi-weekly...
Scientists are reporting first use of a new method that may make it easier for manufacturers to recover, recycle, and reuse nanoparticles, some of which ounce for ounce can be more precious than gold. The method, which offers a solution to a nagging problem, could speed application of nanotechnology in new generations of solar cells, flexible electronic displays, and other products, the scientists...
Restrictions should be placed on the use of Ginkgo biloba (G. biloba) — a top-selling herbal remedy — because of growing scientific evidence that Ginkgo may increase the risk of seizures in people with epilepsy and could reduce the effectiveness of anti-seizure drugs, a new report concludes. The article appears in ACS’ monthly Journal of Natural Products. It also suggests that Ginkgo may...
The hazy smoke lingering after forest fires contains chemicals that summon the forest back to life — and now are emerging as a potential new generation of agricultural chemicals that could boost food crop production and revitalize barren soil. Those biochemical signaling molecules, which stimulate the plant growth, are the topic of an article in the current issue of Chemical & Engineering News (C&EN), ACS’ weekly newsmagazine. C&EN Senior Editor Bethany Halford notes that smoke’s ability to spur the growth of seeds…
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