News tagged with heavy metal

Toxicity of Hungary's red sludge flow drops

(AP) -- The concentration of toxic heavy metals where Hungary's massive red sludge spill entered the Danube has dropped to the level allowed in drinking water, authorities said Friday, easing fears that Europe's ...

Oct 08, 2010
5 / 5 (2) 1

Pollution forms an invisible barrier for marine life

Over 50 percent of the population in the United States and over 60 percent in the world live in coastal areas. Rapidly growing human populations near the ocean have massively altered coastal water ecosystems.

Mar 10, 2011
5 / 5 (2) 0 | with audio podcast

Edible carbon dioxide sponge

(PhysOrg.com) -- A year ago Northwestern University chemists published their recipe for a new class of nanostructures made of sugar, salt and alcohol. Now, the same team has discovered the edible compounds ...

Sep 23, 2011
3 / 5 (3) 0 | with audio podcast

Carbon nanotubes and the environment

Carbon nanotubes have made a meteoric career in the past 15 years, even if their applications are still limited. Recent research results show that - apart from their favorable mechanical and electrical properties ...

May 05, 2009
4 / 5 (2) 0