A Russian spacecraft bound for a moon of Mars and stuck in Earth's orbit will come crashing back next month, but its toxic fuel and radioactive material on board will pose no danger of contamination, the Russian space agency ...
Space Exploration
Dec 16, 2011
44
0
(PhysOrg.com) -- Water softening techniques are very effective for removing minerals such as calcium and magnesium, which occur as positively-charged ions in "hard" water. But many heavy metals and other inorganic pollutants ...
Materials Science
Sep 6, 2011
0
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(PhysOrg.com) -- Plutonium gets taken up by our cells much as iron does, even though there's far less of it to go around.
Biochemistry
Jul 11, 2011
1
0
Radioactive contamination of the sea from Fukushima is likely to be only a local problem, but could lead to an exclusion zone if there is a major release of long-term pollutants, scientists say.
Environment
Mar 29, 2011
1
2
The Lost Orphan Mine below the Grand Canyon hasn't produced uranium since the 1960s, but radioactive residue still contaminates the area. Cleaning the region takes an expensive process that is only done in extreme cases, ...
Cell & Microbiology
Sep 8, 2009
14
1
