Breaking new ground in germ cell guidance
Many types of cells are able to make their way through the body propelled by molecular motors and...en route. The puzzle of how these cells find their way through the developing body has challenged biologists for years, but is now beginning to yield to th...Early detection hope for eye disease
A new way of taking pictures of the retina could give medics a powerful new tool in diagnosing and monitoring the most prevalent diseases of the eye — glaucoma, diabetic retinopathy, and age related macula degeneration. The technique was revealed today at...Wrapping a memory with an experience, capacity for recollection detected in non-human species
...llection process. They approached this in a novel way -- by investigating the activity of the hippocampus in the rat brain. Their approach also meant that they had to think outside the conventions of the discipline and ask, "Do rats have a capacity for recollection?" In humans, signal detection techniq...Story tips from the Department of Energy's Oak Ridge National Laboratory, September 2004
...rs a better picture of highways and could pave the way to safer and more efficient roads. The focus of the project is a 50-mile stretch of Florida's Interstate 10 between Jacksonville and Tallahassee. Using remote sensing, Demin Xiong of Oak Ridge National Laboratory is gathering extensive information ab...Sandia experiments may reduce possibility of future water wars
...e amount of water used in the greenhouse; the only way to do this is to determine accurately the amount n...pply the high tech in a practical way." The way it works The dense array of sensors in the 8m x 18m (26 ft by 59 ft) greenhouse wil...Maine-based biophysics institute gets funding for first US-based 4Pi nanoscale microscope
...ermany. The "4Pi" designation refers to the unique way in which light is emitted. "Imagine looking at a satellite image of your state of such high resolution that you can spot the local college football field," says IMB co-director Michael Grunze, who holds joint appointments with the University of Mai...Final Alert: 16th EORTC NCI AACR Symposium
... from temozolomide genetic predictive test clears way to targeted treatment New study indicates arsenic...ry approach to anti-angiogenesis researchers find way to exploit tumour blood vessels New cell death-inducing monoclonal antibody results from early stu......olecule the researchers called "Compound 3." "The way we arrived at Compound 3 was serendipitous," said ...imicking the last four amino acids of Smac was the way to go, but we weren't getting anywhere. But in one of the chemical reactions, we actually made a dim...Computer scientists at UH developing 'nurturing' computers
...f Natural Sciences and Mathematics are leading the way with ATHEMOS (Automatic THErmal Monitoring System), a system pioneered by Pavlidis and his group that allows a computer to perform touchless physiological monitoring of its human user, including measurements of blood flow, pulse and breathing rate. ...Extreme stretch-growth of axons
..., PA) Sometimes it is the extremes that point the way forward. Researchers at the University of Pennsylvania School of Medicine have induced nerve fibers or axons to grow at rates and lengths far exceeding what has been previously observed. To mimic extreme examples in nature and learn more about neur...Fossils reveal direct link between global warming and genetic diversity in wildlife
...igate microevolution in a natural environment, the way you'd investigate it in a laboratory with something that has a much quicker generational timeline, such as bacteria or fruit flies." Climate change and genetics For the experiment, the research team compared DNA from voles and pocket gophers livi...'Defensive' action by influenza viruses demonstrated by Hebrew university researcher
...ng viruses is often a frustrating business. Find a way to destroy them --- and before you know it, they've found a way to defend themselves and neutralize the anti-viral treatment. How, exactly, do the viruses do it? In...Bone marrow cells routinely help with wound healing
...t. 3 issue of Stem Cells. "Wounds may not heal the way we thought they did," says Dr. Richard Ikeda, a biochemist at the National Institute of General Medical Sciences, one of the National Institutes of Health, which supported the work. "This study shows that bone marrow stem cells, in addition to cells ...Single isolated mouse skin cell can generate into variety of epidermal tissues
... isolate stem cells from the hair follicle in this way before." Placed in a nourishing culture, the cells began to "self-renew," or replicate themselves. The researchers realized that once these quiescent cells were out of the niche they were free to divide. Further experimentation led to the identificat...Broken arms and collateral damage: clues to predator-driven evolution
...ors were probably going after those creatures. One way to test this notion would be to look for correlations between the degree of infestation and the rate of regeneration, and Baumiller, Gahn and Carlton Brett, a paleontologist from the University of Cincinnati, have applied for funding to do just that....Battle between bubbles might have started evolution
...research will depend on another major effort under way in his laboratory to create artificial, replicating RNA molecules. "If we can get self-replicating RNAs, then we can put them into these simple membrane compartments and hope to actually see this competitive process of growth that we are hypothesizi...Small, Smac-like molecule encourages death of cancer cells
...f it does well, hopefully it will someday find its way to people," he said. "That's the ultimate goal."...Molecular staples shape a cancer killer
...aw that we could activate cell death in a specific way in whole cells, we were eager to conduct animal studies," said Walensky. So, the researchers tested the effects of SAHB on mice that harbored human leukemia cells. "We found that SAHB treatment effectively suppressed leukemia in these mice," he said....Entrepreneurs to be told how nature's secrets can improve business
...or developing commercial inventions - it's a great way to turn opportunities out there into something relevant to modern industry. We invite people to come and break through a challenge in their industry or research area with us." The workshop will be led by Professor Julian Vincent, head of ...Men from early middle ages were nearly as tall as modern people
...agricultural production. "Average height is a good way to measure the availability and consumption of basic necessities such as food, clothing, shelter, medical care and exposure to disease," Steckel said. "Height is also sensitive to the degree of inequality between populations." The study appears in a ...