South America's vast pantanal wetland may become next everglades, UNU experts warn
...ltural, industrial and urban development problems expected to be compounded by climate change, United Nations University experts warn. Covering more than 165,000 square kilometers an area roughly equal to Florida in the heart of South America, the Pantanal is the world's largest freshwater wetland, of acti...Breath may help diagnose infection
...fected and apparently healthy populations could be expected to be low or undetectable," says Boggs. Now that they have shown the concept of exhaled breath diagnostics to be viable, the next step is to move into human testing. Having determined in earlier studies that the early responses of cells to infectio...Tiny scaffolding allows stem cells to become working fat cells
... that proved that the cells expressed the normally expected array of genes, and subsequent proteins and did so as well as occurs in normal tissue.So far, the researchers have kept the cells alive and thriving for several months and hope to maintain them for up to a year. "We know that the environment in which...DNA 'packaging' linked with cancer
...g of how malignant cells operate. The findings are expected to yield new diagnostic and therapeutic tools in the battle against cancer. Initial experiments at UIC found that the genetic material of cancer cells is knotted-up so that sections of DNA are highly protected from outside interference, unlike the DN...First real-time view of developing neurons reveals surprises, say Stanford researchers
...ic food moving up and down or left and right. They expected to find that young neurons fire in response to a variety of different images, then refine their role over time so that in the adult fish the neurons only respond to images moving in a certain direction or near the left or right side of the visual fie...Trio of leukemias share a single mutation
... abnormal activation of the gene for JAK2 would be expected to lead to myeloproliferative disease. In test tube studies, the researchers found that a drug that inhibits the JAK2 tyrosine kinase did inhibit growth of cells with the mutant JAK2 gene. "While this is a very preliminary finding, and there is much ......of time and frequency." Fleming and his colleagues expected to find that the excitation energy from harvested photons in the light-capturing pigment molecules was transported to the FMO reaction center molecules step-by-step down the energy ladder. Instead, they discovered distinct energy pathways, based on ...Shirley Malcom of AAAS named to election reform commission
... accuracy of our elections." The new commission is expected to study the presidential elections of 2000 and 2004, as well as the congressional elections of 2002. All of these have been marked by controversy, including charges of voter fraud, unreliable voting technology and systematic efforts to discourage or...'Mandela's Paradox' may show that osteoporosis propensity starts in pre-teen years
... level significantly increased by about 50%. "We expected that an increased exercise level would be associated with greater BMC, especially at the hip," McVeigh said. "However, both group's BMC gains over that year were similar at the hip." Indeed, over the same year, white kids showed a significantly great...Alcoholism reduces male heart's ability to synthesize protein; possible therapy target?
...R. Kimball. Changes in protein metabolism would be expected to influence the expression of proteins that are needed for normal structure and function in the heart. Changes in protein expression could lead to structural and/or functional defects in the heart. The Penn State researchers decided to compare t...Moderate aerobic exercise improves cardiovascular and nervous system function in HIV+
...ths of the study, and asymptomatic. Results both expected and "striking" Arterial compliance was augmented ..., or p=.006). This finding was not surprising. "We expected to see an improved circulation in our HPF group over that of our HPU group. Modulation of the parasy...Immune cells in the liver take a ride
... yet another surprise. Drs. Littman and Dustin had expected that replacing the CXCR6 gene would directly affect the movement of the NKT cells. The CXCR6 gene encodes a receptor molecule on the surface of cells that is involved in cell movement and attraction. Replacement of the gene, which renders the cells r...Emory scientist finds different paths lead to similar cognitive abilities
...e brains that are seven times bigger than would be expected for our body size, giving us an encephalization level of seven, some modern dolphins and whales have an encephalization level close to five -- not a huge difference, says Marino. For example, Homo sapiens' closest relatives, the great apes, have ence...An (ecological) origin of species for tropical reef fish
...hese species have similar abilities to disperse, I expected to find genetic differences that corresponded to the barrier in all of them, but, surprisingly, that wasn't the case." Mitochondrial DNA of adult fish and larvae from three locations in the Caribbean and from three locations in Brazil showed much cle...Owl genomics presents a HEPATOCHIP for diagnosis of non-alcoholic steatohepatitis
...ases is increasing, the prevalence of NASH is also expected to increase and therefore, this disease has become an emerging public issue in United States as well as in other developed countries The HEPATOCHIP presented at the mentioned forum, has been developed in collaboration with the Hepatology Services of ...21-22 April AAAS forum to discuss Pentagon R&D spending, other policy issues
...States on science and technology policy issues, is expected to draw more than 500 participants. It will be held at the Loews L'Enfant Plaza Hotel (480 L'Enfant Plaza, SW; L'Enfant Plaza Metro stop). In addition to an opening plenary session on the policy context for the 2006 R&D budget, the forum will includ...Research shows overfishing of sharks key factor in coral reef decline
...ommunity-wide impacts of fishing are stronger than expected because fishing preferentially targets species whose removal can destabilize the food web," the authors conclude in their report. Because of their comprehensive approach in developing the intricate food web, the authors say their study and its result...Worth the wait? A neural mechanism related to impulsive decision-making
...rd-related activation was greater when the pigeons expected a large reward than when they expected a small one. But most importantly, the degree of activation decreased as the delay between the choic...Three researchers recognized for advancing the Navy's environmental efforts
...ore of the units, depending on the amount of waste expected during a mission. The modular approach allowed for standardization across ship classes and simplified fleet-wide installation. The Canadian and Australian navies have also adopted the device and it is now being considered by the cruise ship industry ...Society of Nuclear Medicine to offer first $25,000 Mallinckrodt Seed Grant
...r, and no extensions will be allowed. Grantees are expected to submit results of the research as an abstract for presentation at SNM's Annual Meeting and/or as a scientific manuscript to the Journal of Nuclear Medicine . SNM's grants and awards program is funded by both the Education and Research Foundation ...