A new hope for heavy metal contaminated soils
...increasing essential metal contents, like those of iron and zinc, and reducing the accumulation of toxic metals like cadmium. Finally , if the ability to tolerate or hyperaccumulate metals can be transferred to a high-biomass Brassica plant, this could provide a technology for soil remediation....New evidence says Earths greatest extinction caused by ancient meteorite
...found that the grains that sorted out contained an iron alloy that does not occur on Earth. Some 40 pieces were tiny fragments of meteorite 4.56 billion years old, while other grains displayed metallic characteristics that were more indicative of being formed by extreme heat, such as that in a severe mete...Scientists at Scripps discover a genetic cause for primary iron overload
...nsible for causing the metabolic disorder, primary iron overload, common among people of African descent. ...ic variation in a gene that increases levels of an iron storage protein in the body. Mutations to this gene occur almost exclusively within African populati...Explanation offered for Antarctica's 'blood falls'
...that the reddish stain on the polar ice was really iron salts, or ferric hydroxide, that was being squeezed out of the ice sheet. The phenomenon came to be called Blood Falls and its origin has puzzled researchers ever since. Lyons, who heads one of the National Science Foundations Long-Term Ecological Re...World's most alkaline life forms found near Chicago
...water created by more than a century of industrial iron slag dumping in southern Illinois and northern Ind... hydrogen given off from the corrosion of metallic iron slag in water. Just how the unusual bacteria got to the slag dumps is currently a mystery, says Roa...Scientists unraveling lice genome to halt blood-sucking pest
...is team identified are involved in detoxification, iron metabolism and the breakdown of protein within cells. According to the Centers for Disease Control and Prevention, body lice rarely are found in the United States and other western nations except sometimes on people who don't have access to bathing f...Gray matter damage in the brain of MS patients linked to cognitive, physical deficits
...rough work by the team had linked deep gray matter iron deposits to the disease course of MS, brain atroph...dividuals, suggesting higher-than-normal levels of iron deposits, and confirmed the relationship of T2 hypointensity to MS symptoms. "Traditionally, we tho...Researchers identify botox receptor
...s tout the toxin found in Botox for its ability to iron out wrinkles, calm muscle spasms and treat migraine headaches, defense agencies condemn it as a weapon that could wipe out large numbers of civilians. While it is well known that this toxic substance can paralyze the body's muscles, including the o...Ocean plant life slows down and absorbs less carbon
...anges such as increased temperatures and decreased iron deposition into parts of the oceans. This has majo...cutting exposure to sunlight. Also, the amount of iron deposited from desert dust clouds into the global oceans decreased by 25 percent over two decades. T...Old drug works new tricks for iron overload heart disease
...he heart, pancreas and pituitary gland from excess iron with a simple pill. This could save many lives aro...ertension are also effective at blocking excessive iron from entering certain critical organs and causing permanent damage. Their new research is published ...New pollutant cleanup technique puzzles, pleases chemists
...aturally occurring group of compounds that contain iron atoms, can break up organohalides. The most well-known heme is hemoglobin, a compound in red blood cells that carries oxygen. "There's a lot of speculation that hemes in proteins are what cells use to defend themselves from organohalides," Meyer expl...Scientists find key to ocean bacterium that helps control greenhouse gas
...Oceanologique de Roscoff, France, they reveal that iron plays a crucial role in the ability of this marine...ed with strains that live close to the surface and iron is the limiting nutrient that regulates the organism's ability to harvest light energy. "Iron is cri...Pinpointing viruses in body scans
... particles 50 nanometres wide. They have a core of iron oxide and a coating of dextran, a sugar to which a... the nanoparticles directly. First, the particles' iron oxide cores are turned into magnets by a scanner's strong magnetic field, which also forces the nucl...Microbe from depths takes life to hottest known limit
...and continuously spew a blackening brew laced with iron and sulfur compounds. While suffocating, crushing... his lab finalizes the microbe's description--uses iron the way aerobic animals use oxygen. "It's a novel form of respiration," Lovley says, explaining how ...Grant strengthens research arm of Penn State Hershey Medical Center's ALS Clinic
...tion called hemachromatosis, which causes too much iron to accumulate in the tissues. People can be carrie...t, brain) of these individuals may still mishandle iron and as a result can produce free radicals. Free radicals are toxic forms of oxygen that result when ...Study results show promise for development of gene therapy to treat blood diseases
...ll transfusions these patients receive can lead to iron overload which, if left untreated, may result in early death from organ failure. Alternatively, some patients may undergo bone marrow transplantation with cells from a matched normal donor. However, this treatment is not available for all patients ...Tufts researchers find new cost-effective catalyst for hydrogen production for fuel cells
...als and metal oxide supports, such as titanium and iron oxide." She adds, "It opens the way for new catalyst designs so more hydrogen can be produced with less precious metal. This can pave the way for cost-effective clean energy production from fuel cells in the near future." Fuel cells currently are bei...July 4 fireworks: Why they're brighter than ever
...imited to booms and a few sparkles helped along by iron filings or some copper and zinc. The colors were yellows, oranges and the occasional white-hot. It wasn't until the 1800s that chemists began to use synthesized compounds that burned in reds, greens, blues and purples. The colors changed little unti...New study in rats matches genetic influences and cognitive impairment
...licated in Alzheimer's disease in other research), iron metabolism and the breakdown of the insulating myelin sheaths that when intact facilitate efficient communication among neurons. The study was conducted by a team led by Philip W. Landfield, Ph.D., and colleagues Eric M. Blalock, Kuey-Chu Chen, Keit...Pregnant African American teens need more calcium for healthy fetal bone development
...rs had significantly higher protein, vitamin A and iron intakes than those who consumed less dairy. Researchers also examined the effect of individual nutrients other than calcium on fetal femur length and found no significant relationship. "This study showed that increasing dairy intake in this vulnerabl...