News tagged with environmental toxic
Too much of a good thing: Excessive DNA repair can lead to retinal degeneration
Jan 09, 2009 |
3.8 / 5 (6) |
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(PhysOrg.com) -- A naturally occurring DNA repair system that normally protects cells from damage can cause retinal degeneration and blindness when overstimulated, according to a new study by MIT researchers.
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School classroom air may be more polluted with ultrafine particles than outdoor air
Dec 22, 2009 |
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The air in some school classrooms may contain higher levels of extremely small particles of pollutants — easily inhaled deep into the lungs — than polluted outdoor air, scientists in Australia and Germany ...
Polluting pets: the devastating impact of man's best friend
Dec 21, 2009 |
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Man's best friend could be one of the environment's worst enemies, according to a new study which says the carbon pawprint of a pet dog is more than double that of a gas-guzzling sports utility vehicle.
Loud and lazy but didn't chew gum: Ancient koalas
Other Sciences / Archaeology & Fossils
Dec 19, 2009 |
4.8 / 5 (4) |
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(PhysOrg.com) -- Skull fragments of prehistoric koalas from the Riversleigh rainforests of millions of year ago suggest they shared the modern koala's "lazy" lifestyle and ability to produce loud "bellowing" ...
Japan mines toxic e-waste for precious materials
Dec 17, 2009 |
4.9 / 5 (7) |
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Seeking to turn an environmental problem into an economic opportunity, high-tech companies in resource-poor Japan are mining mountains of toxic e-waste for precious materials.
'Rock-breathing' bacteria could generate electricity and clean up oil spills
Dec 14, 2009 |
3.5 / 5 (8) |
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A discovery by scientists at the University of East Anglia (UEA) could contribute to the development of systems that use domestic or agricultural waste to generate clean electricity.
Decades-old dioxins pollute river, divide US community
Dec 13, 2009 |
5 / 5 (2) |
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The signs posted along Michigan's Tittabawassee River warning of dangerous dioxin levels don't really worry fisherman David Mitchell.
Study reveals how Arctic food webs affect mercury in polar bears
Dec 08, 2009 |
3 / 5 (2) |
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With growing concerns about the effects of global warming on polar bears, it's increasingly important to understand how other environmental threats, such as mercury pollution, are affecting these magnificent Arctic animals.
White, but not pure
Dec 07, 2009 |
4.7 / 5 (3) |
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Even the snow on Aconcagua Mountain in the Andes is polluted with PCBs. An international team of researchers detected low concentrations of these toxic, carcinogenic chlorine compounds in samples taken from ...
Toxic chemicals found in a third of children's toys: study
Dec 02, 2009 |
5 / 5 (1) |
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A third of the most popular children's toys in the United States this year contain harmful chemicals including lead, cadmium, arsenic and mercury, a US consumer group said Wednesday.
Childhood lead exposure causes permanent brain damage
Dec 01, 2009 |
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A study using functional magnetic resonance imaging (fMRI) to evaluate brain function revealed that adults who were exposed to lead as children incur permanent brain injury. The results were presented today at the annual ...
List of search results for environmental toxic
