News tagged with precious metals
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Search results for precious metals
Exposures to metals and diesel emissions in air linked to respiratory symptoms in children
7 hours ago |
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Exposure shortly after birth to ambient metals from residential heating oil combustion and particles from diesel emissions are associated with respiratory symptoms in young inner city children, according to a new study by ...
Plants prefer their kin, crowd out competition from strangers
Nov 16, 2009 |
4 / 5 (1) |
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(PhysOrg.com) -- Plants don't mind sharing space with their kin but when they're potted with strangers of the same species they start invigorating their leaves, a study by McMaster University reveals.
Hidden Risks Of Modular Classrooms
Nov 18, 2009 |
5 / 5 (1) |
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Every school day, more than 5 million students in the United States attend lessons held in modular classrooms. With new carpeting and paint, metal roofs and noisy ventilation systems, they can be a health ...
New study confirms exotic electric properties of graphene
Nanotechnology / Nanomaterials
Nov 17, 2009 |
4.8 / 5 (23) |
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(PhysOrg.com) -- First, it was the soccer-ball-shaped molecules dubbed buckyballs. Then it was the cylindrically shaped nanotubes. Now, the hottest new material in physics and nanotechnology is graphene: ...
Liquid battery big enough for the electric grid?
Nov 19, 2009 |
4.3 / 5 (6) |
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(PhysOrg.com) -- There's one major drawback to most proposed renewable-energy sources: their variability. The sun doesn't shine at night, the wind doesn’t always blow, and tides, waves and currents fluctuate. ...
Braking news: Particles from car brakes harm lung cells
Nov 20, 2009 |
5 / 5 (2) |
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Real-life particles released by car brake pads can harm lung cells in vitro. Researchers writing in BioMed Central's open access journal Particle and Fibre Toxicology found that heavy braking, as in an emergency stop, caused ...
Penguins and sea lions help produce new atlas
Nov 16, 2009 |
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Recording hundreds of thousands of individual uplinks from satellite transmitters fitted on penguins, albatrosses, sea lions, and other marine animals, the Wildlife Conservation Society (WCS) and BirdLife ...
The benefits of stress ... in plants
Nov 19, 2009 |
5 / 5 (1) |
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Chronic stress in humans has been implicated in heart disease, weight gain, and diabetes, among a host of other health problems. Extreme environments, a source of chronic stress, present a challenge even for the hardiest ...
Rich Ore Deposits Linked to Ancient Atmosphere
Space & Earth / Earth Sciences
Nov 19, 2009 |
4.3 / 5 (3) |
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(PhysOrg.com) -- Much of our planet's mineral wealth was deposited billions of years ago when Earth's chemical cycles were different from today's. Using geochemical clues from rocks nearly 3 billion years old, a group of ...
Researcher: Faint writing seen on Shroud of Turin (Update)
Other Sciences / Archaeology & Fossils
Nov 20, 2009 |
2.4 / 5 (29) |
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(AP) -- A Vatican researcher has rekindled the age-old debate over the Shroud of Turin, saying that faint writing on the linen proves it was the burial cloth of Jesus. Experts say the historian may be reading ...
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