News tagged with iron
Iron stimulates blooms of toxin-producing algae in open ocean, study finds
(PhysOrg.com) -- A team of marine scientists has found that toxin-producing algae once thought to be limited to coastal waters are also common in the open ocean, where the addition of iron from natural or ...
Space & Earth / Earth Sciences
Nov 08, 2010 |
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Searching for alien earths with planet colors
Earth is invitingly blue. Mars is angry red. Venus is brilliant white. Astronomers have learned that a planet's "true colors" can reveal important details. For example, Mars is red because its soil contains ...
Space & Earth / Space Exploration
Nov 03, 2010 |
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MRI contrast agents change stem cell proliferation
When researchers tested three different labeling agents on three different stem cell populations to determine what effect the labeling agents had on stem cell phenotype, biological behavior and migration abilities, they found ...
Nov 01, 2010 |
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Image-guided breast cancer therapy enabled by nanodrug
By combining an iron oxide nanoparticle, a tumor-targeting peptide, and a therapeutic nucleic acid into one construct, a team of investigators from the Massachusetts General Hospital and Harvard Medical School have created ...
Nanotechnology / Bio & Medicine
Oct 28, 2010 |
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Long-distance communication, microbial style
Scientists knew that the microbe Shewanella oneidensis transformed the electronic structure of the iron oxide it touched in the ground as well as without direct contact. Scientists from Pacific Northwest National ...
Oct 06, 2010 |
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The effects of hydrogen on growing carbon nanotubes
Carbon nanotubes -- long, hollow cylinders of carbon billionths of a meter in diameter -- have many potential uses in nanotechnology, optics, electronics, and many other fields. The exact properties of nanotubes depend on ...
Oct 05, 2010 |
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The real 'Iron Man' exoskeleton does the work of two to three soldiers (w/ Video)
(PhysOrg.com) -- A new version of what some refer to as the "Iron Man" suit was unveiled Monday by Raytheon at the company's research facility in Salt Lake City.
Sep 29, 2010 |
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Opportunity finds possible meteorite
(PhysOrg.com) -- Images that NASA's Mars Exploration Rover Opportunity took at the end of an 81-meter (266-foot) drive on Sept. 16 reveal a dark rock about 31 meters (102 feet) away. The rover's science team ...
Space & Earth / Space Exploration
Sep 22, 2010 |
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Turning over a new leaf
(PhysOrg.com) -- German researchers have transformed the skeleton of a leaf into iron carbide. The new technique enables the conversion of metal carbides into intricate microstructures in just one step.
Sep 20, 2010 |
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When the Earth mantle finds its core
The Earth's mantle and its core mix at a distance of 2900 km under our feet in a mysterious zone. A team of geophysicists has just verified that the partial fusion of the mantle is possible in this area when ...
Space & Earth / Earth Sciences
Sep 17, 2010 |
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Greek archaeologists uncover ancient tombs
Greek archaeologists on Thursday announced the discovery of 37 ancient tombs dating back to the iron age in a cemetery near the ancient Macedonian capital of Pellas.
Other Sciences / Archaeology & Fossils
Sep 16, 2010 |
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Function found for Alzheimer's protein
In people with Alzheimer's, the brain becomes riddled with clumps of protein, forming what are known as amyloid plaques. Now, a report appearing in the September 17th print issue of Cell appears to have found a function for th ...
Medicine & Health / Medical research
Sep 10, 2010 |
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Many roads lead to superconductivity
Since their discovery in 2008, a new class of superconductors has precipitated a flood of research the world over. Unlike the previously familiar copper ceramics (cuprates), the basic structure of this new class consists ...
Sep 10, 2010 |
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Polyphenol antioxidants inhibit iron absorption
Health benefits from polyphenol antioxidants -- substances found in many fruits and vegetables -- may come at a cost to some people. Penn State nutritional scientists found that eating certain polyphenols decreased the amount ...
Medicine & Health / Medical research
Aug 23, 2010 |
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Research targets basic metabolism of disease-causing fungi, bacteria
Pablo Sobrado, assistant professor of biochemistry with the Fralin Life Science Institute at Virginia Tech, has received a $1.1 million grant from the National Science Foundation (NSF) to advance his research on the mechanism ...
Aug 18, 2010 |
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