Belgian researchers explore revolutionary approach to angiogenesis
...ill had to be proved in patients, the principle of keeping tumour arterioles open to boost responses to treatment should work in the many tumour types where ET-1 was expressed....AAAS US Presidential Candidates' Forum
...bryos," he writes. Both candidates are in favor of keeping human cloning, or reproductive cloning illegal. To read the responses of the candidates on these and other hot-button items such as Visa/Security Issues, Space Policy, Environmental Stewardship, Creationism and Energy Policy, go to: http://www.scien...Study: Emission of smog ingredients from trees is increasing rapidly
...while even if ozone levels did not decrease. "Even keeping the air quality the same might have been an achievement because if we hadn't done anything it might have worsened," said Purves. The study did not measure actual ozone levels. Instead it focused on VOCs, a crucial part of the chemical reaction that p...Green, leafy spinach may soon power cellphones and laptops
...in soaps and detergents, turns out to be ideal for keeping protein complexes functional on a cold, hard surface. The spinach-sandwich device has no water, and proteins usually need water to survive, but using Zhang's detergent peptide, the researchers were able to stabilize the protein complexes in...Joslin researchers clarify mechanisms for beta-cell formation
...amounts of insulin to function properly, including keeping blood glucose levels in the normal range. It is a major contributor to type 2 diabetes, obesity and the metabolic syndrome, which affect nearly one-quarter of the American population. For years, the body compensates for insulin resistance in ord...European common frog found to use novel mating strategy
...ne of Europe's most common backyard frogs has been keeping a secret that, despite centuries of study and thousands of published papers, has only now been discovered in ponds in the Pyrenees. The European common frog, Rana temporaria, has long been thought to have a straightforward breeding strategy -- one lu...Analysis of biological clock may lead to greater understanding of human disease
...atory system, and that the design for precision at keeping accurate time may be at the expense of the fragility of the global machinery. They also discovered that sensitivity analysis confirms the theoretical insight that hierarchical control is important for achieving robustness. Moving up the hierarchy of...Unicellular organisms contribute more nitrogen to ocean that reported earlier
...e for trapping and sequestering carbon dioxide and keeping it out of atmospheric circulation for some time." Carbon dioxide is one of the naturally occurring gases that traps energy from the sun and helps maintain hospitable temperatures on Earth, creating the "greenhouse effect." But studies indicate that ...UV light, coatings reduce bacterial adhesion up to 50 percent
...ain coatings, also may offer a 'green' approach to keeping glass surfaces free of contamination." Li described her results in a paper, "The Impact of Ultraviolet Light on Bacterial Adhesion to Glass and Metal-Oxide Coated Surfaces," at the American Chemical Society meeting, Sunday, Aug. 22, in Philadel......to a 24-hour day. Since Bmal-1 is so crucial to keeping the body's clock entrained, finding something like Rora, which alters Bmal-1's expression, is significant and suggests that Rora is also part of the mammalian clock. But the scientists wanted to go further and prove that Rora protein plays a role in ...Medication reconciliation, pharmacist involvement vital to reducing medication errors, study finds
...ortance of maintaining an updated medication list, keeping it on a card that they carry all the time, and reconciling this information during every healthcare encounter, the latest study recommended. "We always have to engage the patients in this conversation and get them involved," Gleason says. "This has ...Huge market for forest moss raises concerns
...orced," Muir said. "There also is a lack of record keeping and reporting on many public lands, and clearly some illegal harvesting on both public and private forests." But legalities aside, millions of pounds of moss are leaving America's forests every year, and that has ecologists concerned. ...Gulf of Maine marine ecosystem may have entered new phase
...d were no longer able to perform their function of keeping their prey species in check, the ecosystem entered a new phase marked by abundant sea urchins and a lack of kelp beds. Urchins ate so much kelp that they created areas known as "urchin barrens" where only low growing algae could survive. In t...UCI study reveals gene linked to breast cancer can suppress tumors
...breast cancer cells. The gene accomplishes this by keeping estrogen and growth factor molecules from sending chemical messages through specific signaling pathways on the surface of breast cancer cells signals that can cause a tumor to grow. When the BRCA1 gene is mutated, however, it can no longer block thi...Putting GPS to work, researchers shed light on road-following by pigeons
...e, in general the early benefit of the roadways in keeping the birds on course seemed to compensate for the added flight distance. In fact, the birds appeared to prefer to follow roadways once they became experienced with the release sites; individuals who made three or more journeys home showed an increasin...Scientists find 75 percent of red snapper sold in stores is really some other species
...se impression that the supply of marine species is keeping up with demand," Marko said. ...LSU researcher discovers new bird
...urnt orange crown. For now, the specimen is in the keeping of the National Museum in Lima where it will become the "type," the specimen on which the species' description is based and against which all others will be compared. Eventually, it will be sent to Lane so that he can write the scientific description...$1.6 million grant to Williams College
... by HHMI. To help colleges meet the challenges of keeping up with emerging scientific fields, inspiring excellence in teaching, assisting interdisciplinary collaborations, and encouraging minority students to pursue careers in science, in this year alone, HHMI pledged $49.5 million in four-year grants, rang...ALL survivors bear genetic damage from life-saving chemotherapy
... are used to help children defeat this disease are keeping a very large percentage of them alive," Finette sa... understand further challenges that we may face in keeping these patients healthy as they get 10, 15 or more years out from overcoming ALL." ...... tumors at an early stage. As ALCAM is involved in keeping cells together in a clump, the researchers hypothesize that reduced expression of the gene might allow the tumor cells to separate from one another. This would allow cells to enter the circulation and promote the formation of secondary tumors, which ...