Engineering electrically conducting tissue for the heart
...lled myoblasts. They "seeded" the myoblasts onto a flexible scaffolding material made of collagen, creating a 3-dimensional bit of living tissue that could be surgically implanted in the heart. The cells distributed themselves evenly in the tissue and oriented themselves in the same direction. Tested in the ...Cultural transmission in bats: When listening for dinner, bats learn from their neighbors
...eriments have shown that T. cirrhosus is extremely flexible in its foraging behavior. In the new study, Page and Ryan investigated the role of social learning in bat foraging flexibility. Comparing three different learning groups, the researchers measured the rate at which bats learned new foraging informatio...HHMI helps physicians launch careers in research
...ans abandon plans for research careers are lack of flexible funding to accommodate the needs of new labs and lack of time to actually do research. In fact, focus groups of young physicians--all of them alumni of training programs run by the Howard Hughes Medical Institute (HHMI)--have identified the first ...Corals switch skeleton material as seawater changes
..., the team's work reveals that corals are far more flexible and able to vary at least a portion of their skeleton to growth favored by seawater chemistry. He postulates that this "mineralogical flexibility" provides corals with an "evolutionary advantage," as it would take more energy for corals to produce sk...Finding about cellular microtubule rigidity could lead to development of new nano-materials
...ther in ways that give them the ability to be both flexible and stiff. Flexibility is important for microtubules as they grow and change in cells, while rigidity is important when cells need support. "Microtubules are optimally designed to give the maximum of mechanical performance at a minimum cost for the...Discovery of agile molecular motors could aid in treating motor neuron diseases
...that function as molecular motors are surprisingly flexible and agile, able to navigate obstacles within the c...ng that many other molecular motors are remarkably flexible in their behavior. In several further papers published in the Proceedings of the National Academy of...Bubbles go high-tech to fight tumors
...the right vessel in order not to damage it. "How flexible the vessel is plays a very important role in where you do this," Bull said. That is the subject of a paper coming out on gas embolotherapy in the August issue of the Journal of Biomechanical Engineering....Improving livestock health, trade and human livelihoods in Africa
...change-oriented management style, which encouraged flexible activities and responses to opportunities. They understood that using "community-based approaches often prompted strong emotional and protective reactions from the veterinary establishment," a potentially critical safeguard. One important strategy ...Key fat and cholesterol cell regulator identified, promising target
...xactly how SREBP and ARC105 interact. They found a flexible tail on the SREBP molecule that fits into a specif...nding a molecule that attaches to and inhibits the flexible tail of SREBP is unlikely, but a search for inhibitors to fit the grooved KIX site looks much more p...Arctic nations' wealth key to management of climate change
...h enhancing the capacity of northern regions to be flexible and adaptable to cope with changes, some of which we can predict, and others of which will be surprises," said Chapin. An increasingly ice-free Arctic Ocean could be zoned to include marine protected areas, designated shipping lanes, and fishing ar...UW-Madison researchers find new way to 'sweeten' key drugs
... sets of the unique sugar "building blocks" to the flexible glycosyltransferases in a method known as natural ...pable of modifying natural products in a much more flexible way than previously thought. The key new finding, he says, is the catalytic activity of the enzymes ...High-value chemicals produced from ethanol feedstocks could boost biorefinery economics
...ids, such as carbon dioxide in methanol, provide a flexible solvent whose properties can be adjusted by changing the pressure. When the reaction is over, the pressure is released, allowing the carbon dioxide to separate from the methanol. Supercritical fluids, such as carbon dioxide under high pressure, si...ACS Weekly PressPac -- September 6, 2006
...s cells, which can be engineered into inexpensive, flexible sheets, could be used as coatings on glass windows to supply electric power to homes and businesses or as coatings on tents to supply power for soldiers in the field. The cells could be used in consumer applications within two to three years, the res...Define 'precautionary principle' to avoid clashes over biotechnology under World Trade rules
...on of its implementation," the paper says. "The flexible definition of the precautionary principle may be its strength, but also one of its greatest weaknesses. Several WTO Members have noted in the Committee on Trade and Environment (CTE) that the difficulty of further integrating precaution in the WTO li......ike' than that of mammals, and ants are a lot less flexible in their use of navigational strategies. This stereotypy makes it easier to understand how their strategies operate and to design robots that navigate following similar principles." The researchers are now planning further experiments that will reve...Two national diabetes-related initiatives coordinated by MCG bioinformatics expert
...erated by investigators, store it, analyze it in a flexible way and enable scientists all over the world to ac...so need to store information in a way that is very flexible so they can grab the information any way they want. We are constantly adding statistical analysis so...MIT engineers probe spiders' polymer art
...long linked chains of small molecules. They can be flexible or stiff, water-soluble or insoluble, resistant to heat and chemicals and very strong. Silk protein solution consists of 30-40 percent polymers; the rest is water. The spider's silk-producing glands are capable of synthesizing large fibrous protein...Researchers show that veins stiffen as we age
...d that the veins of the older adults would be less flexible than those of the younger adults," Farquhar said. "But we didn't know if that might be due to a functional process, such as a chronic constriction of the muscles around the veins, or if this decreased flexibility was due to some change in the structu...ASU researchers test antibacterial effects of healing clays
...neral; it has a crystalline structure that is both flexible and fluid," Williams says. She likens them to very thin, two-nanometer-thick slices of bread in a "peanut butter and jelly sandwich." The "bread" is composed of three regions, two silicate layers with tetrahedral rings bounding an octahedral core. Th...Penn researcher shows that DNA gets kinky easily at the nanoscale
...m the University of Pennsylvania, DNA is much more flexible than previously believed when examined over extremely small lengths. They used a technique called atomic force microscopy to determine the amount of energy necessary to bend DNA over nano-size lengths (about a million times smaller than a printed le...