News tagged with toxic metals
Mercury in dolphins: Study compares toxin levels in captive and wild sea mammals
Amid growing concerns about the spread of harmful mercury in plants and animals, a new study by researchers from The Johns Hopkins University and The National Aquarium has compared levels of the chemical in ...
May 21, 2012 |
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Fish bones used to decontaminate soil in a lead-poisoned neighborhood
There's something fishy going on in West Oakland.
Aug 15, 2011 |
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Toxic chromium found in Chicago's drinking water
Chicago's first round of testing for a toxic metal called hexavalent chromium found that levels in local drinking water are more than 11 times higher than a health standard California adopted last month.
Aug 08, 2011 |
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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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China adopts heavy metal reduction plan
China has adopted a plan to tackle heavy-metal pollution, according to state media, after more than 30 major poisoning incidents since 2009.
Feb 19, 2011 |
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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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'Red mud' disaster's main threat to crops is not toxic metals
As farmers in Hungary ponder spring planting on hundreds of acres of farmland affected by last October's red mud disaster, scientists are reporting that high alkalinity is the main threat to a bountiful harvest, not toxic ...
Feb 02, 2011 |
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Silicon nanocrystals map location of spreading tumors
Nano-sized fluorescent particles known as quantum dots have shown promise as powerful imaging agents capable of detecting a wide range of diseases, but these nanoparticles are usually made with toxic metals such as cadmium. ...
Nanotechnology / Bio & Medicine
Jan 19, 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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Feds are investigating drinking glasses with lead
(AP) -- Federal regulators launched an investigation Monday into lead levels in drinking glasses depicting comic book and movie characters, declaring that the items are subject to standards for "children's ...
Nov 22, 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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Using plants against soils contaminated with arsenic
Two essential genes that control the accumulation and detoxification of arsenic in plant cells have been identified. This discovery is the fruit of an international collaboration involving laboratories in Switzerland, South ...
Nov 16, 2010 |
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Catastrophe in Hungary was avoidable: researcher
In Hungary, as in many parts of the world, toxic bauxite sludges created during aluminium production are stored in the open air. Prolonged rainfall probably pushed the collection pond to its limits. The dam ...
Oct 13, 2010 |
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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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Wildflower uses self-imposed armour to fight off disease
An unusual wildflower that accumulates metals in its leaves has been found to use them as a kind of 'armour' against bacterial infection.
Sep 10, 2010 |
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