News tagged with chromium

Supernova shrapnel found in meteorite

(PhysOrg.com) -- Scientists have identified the microscopic shrapnel of a nearby star that exploded just before or during the birth of the solar system 4.5 billion years ago.

dateSep 09, 2010 in Astronomy
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You have your MoM's ions

Hip replacement patients with metal-on-metal (MoM) implants (both the socket and hip ball are metal) pass metal ions to their infants during pregnancy, according to a new study presented today at the 2010 Annual Meeting of ...

dateMar 09, 2010 in Other
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Groundwater Cleanup at Superfund Site

(PhysOrg.com) -- A chain of chemical reactions between organic waste and naturally occurring chromium appears to explain the long-standing elevated levels of the chemical chromium-6, a human carcinogen, in groundwater at ...

dateFeb 08, 2010 in Environment
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Plastic that grows on trees, part two

Some researchers hope to turn plants into a renewable, nonpolluting replacement for crude oil. To achieve this, scientists have to learn how to convert plant biomass into a building block for plastics and fuels cheaply and ...

dateMay 19, 2009 in Materials Science
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