Early evaluation critical for kidney disease patients' survival
...ns-led study shows. Delays occur more often among black males, the uninsured and those who have multiple i...e dialysis. Late evaluation was more common among black men than white men (45 percent versus 25 percent), uninsured patients than insured patients (57 perc......in green tea, the least processed of teas, than in black and oolong varieties. Previous studies have shown ...as a growing following in the United States, where black tea is favored. Tachibana's study adds to an expanding list of the potential health benefits offered...Heart size and function uncoupled by researchers
...determining efficient heart function. "The data is black and white," says Penninger. "When we knocked out PTEN, we had a huge heart and less function; when we knocked out PI3K gamma, we had normal heart size and much better function. With both of these proteins shut down, we had huge hearts and much better...Study reveals clues to brain development
...ts are outfitted with objects sharply patterned in black and white or contrasting primary colors. Far fewer studies have investigated precisely how visual stimulation drives the formation of new neuronal structures in the brain. Now, researchers at Cold Spring Harbor Laboratory have demonstrated that visua...One in every three primates now threatened with extinction
...st issued in 2000. The golden lion tamarin and the black lion tamarin, for example, have benefited from com...ement programs are in place for each that for the black lion tamarin run by the NGO IP-Instituto de Pesquisas Ecolgicas in collaboration with the Wildlife P...Bloodworm's way with copper likely provides paradigm for new materials
... the end of the fleshy red-pink proboscis are four black jaws that resemble in shape the thorns on a rose bush. The jaws at the end of the proboscis grab and bite prey the way four-pronged devices at the end of long poles are used to grasp and to pluck products from the high shelves of a grocery store. ...The brain uses the same neural networks to engage in conscious and unconscious learning
...denoted a repeating sequence of locations and that black circles denoted a random ordering of locations. Pr...ed. Prior to scanning, subjects also responded to black circles. Unbeknownst to subjects, some black circles actually appeared in a second repeating sequenc...Three inferior prefrontal regions of the brain found receptive to somatosensory stimuli
...ted continuously on a 1 x 1 cm crosshair against a black background that was displayed on a 38-cm computer monitor placed 43 cm in front of their eyes. Concomitantly, tactile stimulation was administered by manually applying a repetitive von Frey hair (35 Hz) at one of two stimulation sites (right index fi...UC Berkeley scientists detail neural circuit that lets eye detect directional motion
...al outline, but his explanation contained a lot of black boxes. We've shown what's going on in the boxes." The basic light detectors in the retina are the photoreceptors, which fire off signals to a layer of horizontal cells and thence to bipolar cells. The bipolar cells funnel signals down their axons an...2002 Canon National Parks Science Scholars named by U.S. National Park Service and AAAS
...ncouver Island. There was the time a curious young black bear brushed against her and once, another bear took a night-time breather by sitting on her tent while she slept. Ironically, now that she is conducting research on grizzly bears in Canada's Yukon Territory, bear encounters have been rare. "You try ...Kiss mistletoe goodbye this season for better tree health
... mistletoe. "Some have covered affected limbs with black plastic to kill mistletoe by cutting it off from the sun," Watson added, "but that is as unsightly as the mistletoe and very labor intensive. A chemical currently labeled for use against mistletoe has not been very effective in totally eliminating mi...Virginia's champion trees make history
... more than 45 points. Another tree, a new champion black oak, nominated by Charlie Knoeller, from Westmoreland County, scored 469 total points." These trees and many other champion winners can be viewed at the Big Tree Program website at http://www.fw.vt.edu/4h/bigtree/ . Current programs related to the V...Science's top ten: Discovery of genes' 'control switches' named top advance of 2002
...y, finding the best evidence yet of a supermassive black hole. Other images this year included a volcanic eruption on Jupiter's moon, Io, and ultra-clear pictures of the sun's surface. Cells in 3-D: A technology for taking three-dimensional pictures of a cell overcame key technical obstacles in 2002, pro...Research shows less income, education not always top factors in child obesity
...arly decrease with high income and education among black girls," said Dr. Penny Gordon-Larsen, assistant pr... and Asian girls but conversely, remained high for black girls," she said. "Thus black-white disparity in overweight was actually highest at the highest inco...'The end of the world' has already begun, UW scientists say
...we could, in principle, begin painting the surface black to collect more heat. Could we afford it? And what...ible ramifications of a planet suddenly covered in black paint? Any planetary remediation project would always run the risk of making things worse." Eventual...Ocean report calls for the immediate creation of marine reserves throughout the United States
...bserved. "For example, there are more world-record black drum caught in Florida right now right on the edge... fish are leaking across that boundary." While the black drum experience has been a boon to the sport fishing industry, commercial fishers have not directly ...American Physical Society March Meeting 2003
...hicago) will speak about dark matter, cosmic rays, black holes and dark energy. Albert Libchaber (Rockefeller) will address biophysicists' apparent conflict between the search for universality in physics and the search for intricate details in biology. Advances in condensed matter physics, including the ad...Coat-color gene mutation mimics neurodegeneration of prion diseases
...rs have found that a gene mutation that produces a black coat color in mice also causes degeneration of neurons similar to that observed in prion-caused diseases, such as Creutzfeldt-Jakob diseases and "mad cow disease." The scientists say that their findings could improve understanding of how the renegade...Mouse genetic model for spongiform brain diseases
...t with only small patches of yellow hair on mostly black bodies. But they were surprised to learn that a complete loss of function in that gene produced all-black mice with brain neurodegeneration. Linkages between unusual pigmentation and neural defects are not unheard of in the animal world, Gunn adds, c...... says. Keku and colleagues analyzed the DNA of 230 black and white adults with a family history of colon cancer, looking for cancer-related variations in four different genes. The researchers also collected information on the study participants' eating habits and their use of nonsteroidal anti-inflammatory...