News tagged with toxic metals
Animal with the most genes? A tiny crustacean: First crustacean genome sequenced
Complexity ever in the eye of its beholders, the animal with the most genes -- about 31,000 -- is the near-microscopic freshwater crustacean Daphnia pulex, or water flea. By comparison, humans have about ...
Feb 03, 2011 |
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Nanotechnology promises better catalytic converter
(PhysOrg.com) -- Control over material properties would reduce the amount of platinum needed.
Nanotechnology / Nanomaterials
Sep 27, 2010 |
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Army pyrotechnic experts find safer alternative for green fireworks
(PhysOrg.com) -- For years, the U.S. army and many other agencies around the world have been using hand-held green light-emitting signal flares; flares which are very nearly indispensable under certain adverse ...
Apr 11, 2011 |
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New study links increased BPA exposure to reduced egg quality in women
A small-scale University of California, San Francisco-led study has identified the first evidence in humans that exposure to bisphenol A (BPA) may compromise the quality of a woman's eggs retrieved for in vitro fertilization ...
Dec 15, 2010 |
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Cadmium, lead found in drinking glasses
(AP) -- Drinking glasses depicting comic book and movie characters such as Superman, Wonder Woman and the Tin Man from "The Wizard of Oz" exceed federal limits for lead in children's products by up to 1,000 ...
Nov 22, 2010 |
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McDonald's pulls cadmium-tainted 'Shrek' glasses
(AP) -- Cadmium has been discovered in the painted design on "Shrek"-themed drinking glasses being sold nationwide at McDonald's, forcing the burger giant to recall 12 million of the cheap U.S.-made collectibles ...
Jun 04, 2010 |
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Peru town copes with being devoured by mine
(AP) -- The mile-wide gash grows almost daily with each dynamite blast, slowly devouring this bleak provincial capital high in the Andes.
Apr 18, 2010 |
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Tiny shelled creatures shed light on extinction and recovery 65 million years ago
An asteroid strike may not only account for the demise of ocean and land life 65 million years ago, but the fireball's path and the resulting dust, darkness and toxic metal contamination may explain the geographic ...
Space & Earth / Earth Sciences
Mar 01, 2010 |
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Copper-Free Click Chemistry Used in Mice
(PhysOrg.com) -- For the first time, the widely used molecular synthesis technique known as click chemistry has been safely applied to a living organism. A team of Berkeley Lab and UC Berkeley researchers ...
Jan 19, 2010 |
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Form of Mercury in Older Dental Fillings Unlikely to be Toxic: Study
(PhysOrg.com) -- Amid the on-going controversy over the safety of mercury-containing dental fillings, a University of Saskatchewan research team has shed new light on how the chemical forms of mercury at the surface of fillings ...
Chemistry / Analytical Chemistry
Nov 11, 2009 |
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Brookhaven Lab Patents New Method for Mercury Remediation
Scientists at the U.S. Department of Energy's Brookhaven National Laboratory have patented a new method to remove toxic mercury from soil, sediment, sludge and other industrial waste. As described in recently ...
Sep 15, 2009 |
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Scientists advance facile synthesis of nanoparticles with multiple functions
Nanostructured materials have garnered great interest worldwide due to their unique size-dependent properties for chemical, electronic, structural, medical and consumer applications.
Nanotechnology / Nanomaterials
Jul 13, 2009 |
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EPA to test air outside schools, but has largely ignoring its peer-reviewed screening tool
After ignoring its own research for most of the last decade, the U.S. Environmental Protection Agency this spring will test the air outside dozens of schools across the nation that are close to industrial polluters.
Apr 07, 2009 |
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Microscope reveals how bacteria 'breathe' toxic metals
Researchers are studying some common soil bacteria that "inhale" toxic metals and "exhale" them in a non-toxic form.
Mar 16, 2009 |
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Contamination under boats no worse than elsewhere in California bay, study says
A yearlong federal study has determined levels of contaminated sediment found under obsolete, rotting government ships anchored in Suisun Bay, in central California, are no higher than those found elsewhere in local waters, ...
Mar 13, 2009 |
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