Overfishing great sharks wiped out North Carolina bay scallop fishery
... number as many as 40 million. The rays, which can grow to be more than 4 feet across, eat large quantities of bivalves, including bay scallops, oysters, soft-shell and hard clams in the bays and estuaries they frequent during summer and migrate through during fall and spring. In the early 1980s Peterso...Brain tissue reveals possible genetic trigger for schizophrenia
...e. It's a normal process for them to be pruned and grow again, depending on what the brain needs to do to interact with the environment," Perkins explained. "There is growing evidence that schizophrenia may related to disordered synaptic plasticity," she added. "Our study found a striking, significant ...Engineering the heart piece by piece
...defective heart valves might get new ones that can grow in place, rather than being replaced every few yea...ld the most potential, and finding the best way to grow those cells to form viable cardiac tissue that is strong, long-lasting and structured at a cellular ...New metal crystals, formed on a cotton assembly line
...a natural template, the PNNL team has been able to grow gold, silver, palladium, platinum, copper, nickel and other metal and metal-oxide nanocrystals quickly and of uniform size, Shin said. The metals display catalytic, electrical and optical that would not be present in larger or odd-sized crystals. T...Simulated populations used to probe gene mapping
...ientists and engineers to conduct simulations that grow more realistic each year. While companies are using these tools to slash the costs of producing everything from airliners to antibiotics, researchers in Houston are using them to refine their search for the genetic causes of disease. In a new study...Natural polyester makes new sutures stronger, safer
...velop an artificial scaffold that could be used to grow heart valves after being implanted in a patient, w...uce a valve scaffold that functions better and can grow with the animal," Williams said. "If the valve can grow with the patient, you don't need the repeate...JCI table of contents -- March 22, 2007
...Cs) from the bone marrow which is where ALL cells grow in patients can provide high levels of asparagine to ALL cells, enabling them to overcome the effects of asparaginse. Protection correlated with the level of ASNS expressed by the MSCs; decreased ASNS expression reduced the ability of MSCs to protec...Researchers find best way to detect airborne pathogens
...e of the microorganism's viability, its ability to grow in the human body. The results currently appear ...s cellular membrane was intact. They also tried to grow each sample in a laboratory dish, a trait the researchers call the pathogen's culturability, which r...Life cycle assessment essential to nanotech commercial development
...y-enabled products entering the market expected to grow dramaticallyfrom $30 billion in 2005 to $2.6 trillion in global manufactured goods using nanotechnology by 2014numerous uncertainties exist regarding possible impacts on the environment and human health, the international authors observe in Nanotechn...Researcher to determine why oil still remains from Exxon Valdez
...re may be so low that these micro-organisms cannot grow fast enough to consume the oil that lingers on these particular beaches," he said. As part of the Prince William Sound study, the research team will be using a numerical model developed by Boufadel to account simultaneously for all the factors causi...Scientists unlock mystery of embryonic stem cell signaling pathway
...es scientists another step closer to being able to grow embryonic stem cells without the feeder layer of m...scientists forced to do just that. Stem cells that grow on feeders are contaminated with mouse glycoproteins markers, Kahn says. If you use them into humans...UBC discovery may lead to 'smart' therapies for breast, ovarian cancer
...uality of tumour cells, affecting their ability to grow and metastasize. Metastatic cancer is invasive can... in cancerous tumours and possibly how these cells grow and metastasize. It gives us a whole new target for therapy," says Assoc. Prof. of Medical Genetics ...ACS News Service Weekly PressPac -- March. 14, 2007
...ermit "etching" images into vegetation Tomatoes grow in diluted seawater and produce more natural antio...du ARTICLE #3 FOR IMMEDIATE RELEASETomatoes grow well in diluted seawater and produce more natural antioxidants Journal of Agricultural and Food Chem...Soy found protective against localized prostate cancer
... to isoflavone-induced hormonal interference, they grow aggressively. "A broad body of research is required to clarify the timing and period of isoflavones' preventive effect on prostate cancer development," Kurahashi said. ...RNA enzyme structure offers a glimpse into the origins of life
...construct." At UC Santa Cruz, he began trying to grow crystals of the ribozyme so that he could use x-ray crystallography to determine its structure. Crystallizing RNA molecules is extremely difficult, and Robertson tried dozens of different versions of the ribozyme under different conditions before he ...New species declared: Clouded leopard on Borneo and Sumatra
...eopards are the biggest predators on Borneo. Some grow to be as large as a small panther, and have the longest canine teeth relative to body size of any cat. Sumatran tigers are the largest predators on Sumatra. Between 5,000 and 11,000 clouded leopards are estimated to live on Borneo. The total numbe...Darwin's famous finches and Venter's marine microbes
...to sample the 99 percent of all bacteria that wont grow in the lab," explains Manning. "GOS opens a huge window into biological and genomic diversity and, within this diversity, to better understand many of the fundamentals of biology." he adds. Expanding the universe of protein families But instea...New cell type identified in cancer development
...their ultimate fate whether they will continue to grow into cancer or cancer stem cells, lie inactive or be eradicated by the bodys immune system. "These hybrid cells are very complex. They have properties of normal and abnormal stem cells, and do not always lead to cancer only some of the time, and u...When your brain talks, your muscles don't always listen
... your muscles again? It happens, you know. As we grow older, neurons--the nerve cells that deliver comma...sical responses contribute to more falls as people grow older," Knight said. Knight and co-author Gary Kamen, who directs the Exercise Neuroscience Labora...Microscopic sea creatures provide foundation for gas sensors and other devices
... Tech colleagues Nils Krger and Nicole Poulson, to grow the brownish-colored diatoms. Sandhage, who is a ceramist by training, would now like to work directly with electronics engineers and others who have specific interests in silicon-based devices. "We can target diatoms of a certain shape, generate...