Plutonium tricks cells by 'pretending' to be iron
(PhysOrg.com) -- Plutonium gets taken up by our cells much as iron does, even though there's far less of it to go around.
Ocean floor muddies China's grip on '21st-century gold'
China's monopoly over rare-earth metals could be challenged by the discovery of massive deposits of these hi-tech minerals in mud on the Pacific floor, a study on Sunday suggests.
Mapping deformation in buried semiconductor structures using the hard X-Ray nanoprobe
(PhysOrg.com) -- Scientists from IBM's T. J. Watson Research Center and Columbia University, working with the X-Ray Microscopy Group, have mapped rotation and strain fields across a silicon-on-insulator (SOI) ...
Fukushima: Sea contamination likely to be local - scientists
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.
China rice laced with heavy metals: report
Up to 10 percent of rice grown in China is contaminated with harmful heavy metals but little has been done to highlight the possible public health risks, a report said.
Smoke from fireworks is harmful to health
The metallic particles in the smoke emitted by fireworks pose a health risk, particularly to people who suffer from asthma. This is the conclusion of a study led by researchers from the Institute of Environmental ...
Clicking TC-99m SPECT probes together
(PhysOrg.com) -- Radioactively labeled compounds are important for use as imaging probes or radiotherapeutic agents. Most radioisotopes with suitable decay properties are transition metals or elements with ...
Premier: China won't block rare earth exports
(AP) -- China is not using its control over supplies of rare earth - exotic metals crucial in advanced manufacturing - as a diplomatic "bargaining chip," state media quoted Premier Wen Jiabao as saying during ...
Heavy metal glass helps light go the distance
The fiber optic cable networks linking the world are an essential part of modern life. To keep up with ever-increasing demands for more bandwidth, scientists are working to improve the optical amplifiers that boost fiber ...
Mastery of rare-earth elements vital to America's security
Karl A. Gschneidner Jr., a senior metallurgist at the U.S. Department of Energy's Ames Laboratory, today cautioned members of a Congressional panel that "rare-earth research in the USA on mineral extraction, ...
Suzaku spies treasure trove of intergalactic metal
Every cook knows the ingredients for making bread: flour, water, yeast, and time. But what chemical elements are in the recipe of our universe?
German scientists produce first Bose-Einstein condensate with calcium atoms
Physicists at the Physikalisch-Technische Bundesanstalt (Germany) have succeeded in producing a Bose-Einstein condensate from the alkaline earth element calcium. The use of alkaline earth atoms creates new ...