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Scientists prove unconventional superconductivity in new iron arsenide compounds
Jan 09, 2009 |
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(PhysOrg.com) -- Scientists at U.S. Department of Energy's Argonne National Laboratory used inelastic neutron scattering to show that superconductivity in a new family of iron arsenide superconductors cannot ...
Iron-arsenic superconductors in class of their own
Apr 29, 2009 |
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Physicists at the U.S. Department of Energy's Ames Laboratory have experimentally demonstrated that the superconductivity mechanism in the recently-discovered iron-arsenide superconductors is unique compared to all other ...
Putting the Pressure on Iron-Based Superconductors
Mar 05, 2009 |
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(PhysOrg.com) -- Traditionally, magnetism and superconductivity don't mix. For more than 20 years, the only known superconductors that worked at so-called "high" temperatures (above 30 K, or about -406 degrees ...
'Single-Crystal' Superconductors are a Big Step for the Field
Aug 28, 2008 |
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(PhysOrg.com) -- In key advances for the field of superconductivity, a research group has created versions of a class of widely studied superconducting compounds that are each one continuous crystal, rather ...
Common gene variant found to regulate iron levels
Oct 13, 2009 |
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(PhysOrg.com) -- An international research team including researchers at UQ's Diamantina Institute and the Queensland Institute of Medical Research has identified a new variant of a gene that helps to regulate iron and haemoglobin ...
Give children iron supplements: They don't increase malaria risk
Jul 08, 2009 |
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Iron supplements do not increase the likelihood of contracting malaria and should not be withheld from children at risk of the disease, despite World Health Organisation (WHO) guidelines to the contrary, a new review by Cochrane ...
Iron regulates the TLR4 inflammatory signaling pathway
Oct 05, 2009 |
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Iron is a micronutrient essential to the survival of both humans and disease-causing microbes. Changes in iron levels therefore affect the severity of infectious diseases. For example, individuals with mutations in their ...
Red, White Wine, Fish And Science
Oct 29, 2009 |
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The long-standing rule of matching wine and food -- red wine with red meat and white wine with fish -- actually has a scientific explanation, according to two scientists working for the Mercian Corporation, ...
Superconductivity: Which one of these is not like the other?
Jul 13, 2009 |
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Superconductivity appears to rely on very different mechanisms in two varieties of iron-based superconductors. The insight comes from research groups that are making bold statements about the correct description ...
A scientific basis the 'golden rule' of pairing wines and foods
Oct 21, 2009 |
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Scientists in Japan are reporting the first scientific explanation for one of the most widely known rules of thumb for pairing wine with food: "Red wine with red meat, white wine with fish." The scientists ...
Acidic clouds nourish world's oceans
Space & Earth / Earth Sciences
Oct 05, 2009 |
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Scientists at the University of Leeds have proved that acid in the atmosphere breaks down large particles of iron found in dust into small and extremely soluble iron nanoparticles, which are more readily used by plankton.
Culprit Compounds That Block Beans' Healthful Iron Probed
Sep 25, 2009 |
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(PhysOrg.com) -- Familiar beans like reds, whites and pintos are rich in iron, a nutrient essential for our health. But not all of the little legumes' treasure trove of iron is bioaccessible -- that is, available ...
Study Yields Surprising New Insight into High-Temp Superconductors
Mar 17, 2009 |
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(PhysOrg.com) -- Recently, an international group of researchers discovered that the underlying mechanism producing high-temperature superconductivity in a widely studied class of copper-oxygen-based superconductors may be ...
Spin polarization achieved in room temperature silicon
Nov 27, 2009 |
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(PhysOrg.com) -- A group in The Netherlands has achieved a first: injection of spin-polarized electrons in silicon at room temperature. This has previously been observed only at extremely low temperatures, ...
Iron isotopes as a tool in oceanography
Space & Earth / Earth Sciences
Jul 31, 2009 |
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New research involving scientists from the National Oceanography Centre, Southampton (NOCS) highlights the potential utility of iron isotopes for addressing important questions in ocean science. The findings are published ...
