'Virtual' mouse brains now available online
...- are connected via a very high speed network with each other as well as with the San Diego Supercomputing Center. The consortium has developed the computer infrastructure to collect a rapidly growing library of 3-D mouse brain data, and make all the data available on the web http://tinyurl.com/3cgj6z ...New way to target and kill antibiotic-resistant bacteria found
...wo bacteria smoosh their membranes together. After each opens a hole in their membrane, one squirts a sing...archers found. Exactly how bisphosphonates destroy each bacterium is still unknown, Redinbo said, but the drugs are potent, wiping out any E. coli carrying ...It don't mean a thing if it ain't got that (modern) swing
...of 20 males' territories and then gauged how close each one approached the recorded trespasser. The 1979 intruder didn't inspire the level of machismo in these males that the 2003 intruder did. Derryberry's work, which was supported by the National Science Foundation and Duke's department of biology, h...Tiny tweezers and yeast help St. Jude show how cancer drug works
...ides of the ladder are backbones that hold half of each rung of the ladder. The entire molecule is twisted...ing the two strands and synthesize exact copies of each chromosome. Topotecan exploits the binding of topoisomerase I to double-stranded DNA that occurs whe...Rapid evolution of defense genes in plants may produce hybrid incompatibility
...opulation of individuals that can interbreed among each other freely, but not with members of other species. What finally establishes two populations as different species is that gene flow between them stops. However, this does not happen suddenly. Rather, it is a gradual process in which one barrier...Chronic fatigue -- clues in the blood
...e expression of 30,000 genes in the blood, testing each of the 15 individuals between four and five times over a 12-month period. The team was able to narrow its findings to the expression of just 35 genes whose pattern of expression correlated closely with the key symptoms of the illness when examined ...Illinois researchers presenting at ASPB Annual Meeting in Chicago, July 7-11
...es from all of these societies will participate in each others events. Such cross-pollination of ideas and debate will inform and catalyze development across over 40 different plant science research areas.Presenters include scientists from the University of Chicago, the University of Illinois and Souther...Research ends debate over benefits of butterfly defenses
...butterfly we used in our research do not undermine each other and benefit mutually from looking like each other. Copying in this sense is the highest form of flattery! In order to understand how this tec...Birds take cues from their competitors
... study reveals that some birds learn not only from each other, but also from their competitors. The findin...imals live in communities, and they may learn from each other, even from other species. Seppnen and Jukka Forsman of Uppsala University, Sweden and Univer...Sea anemone genome provides new view of our multi-celled ancestors
...he early animals, cells figured out how to talk to each other and coordinate their activities," Putnam said. "The genes common to all complex cells are involved with critical signaling pathways inside the cell, while the new animal-specific genes seem to confer new modes of interaction between cells," R...Coaching computer canines in clambering
...odies at a rate of about one per month, but saving each ones digital electronic experience Schaal's dogs can now move, but not very fast: traveling at 1.6 centimeters a second, a little faster than the old 1.2 cm/sec of the old Mars Sojourner robot. The goal in the next phase of the study is to triple...From the corner of the eye: Paying attention to attention
...ded almost 200 different neurons, and examined how each neurons response changed when attention was directed to the stimulus in its receptive field. They found that neurons typically responded more strongly when attention was directed to the stimulus in their receptive fields. Upon closer inspection, ...Soil particles found to boost prion's capacity to infect
... might decrease infectivity," Aiken explains. "In each case, you add montmorillonite and we get more animals sicker and quicker than in the absence of montmorillonite clay." What is occurring in soils in the woods and on the farm is unknown, says Pedersen, but the new findings may help begin to answer ......from which we can also ascertain the climate since each species has its own temperature requirements. The yew trees reveal that the temperature during the winter could not have been lower than minus 17 degrees Celsius, and the presence of other trees shows that summer temperatures were at least 10 degrees...NIEHS researchers identify enzyme critical in DNA replication
... are referred to as leading and lagging, pair with each other to form the now familiar double helix. Shortly thereafter, Kornberg and colleagues discovered the first enzymes capable of replicating DNA, a process required to make new genomes for cell division. These enzymes, called DNA polymerases, we...Researchers identify genetic mutation that may alter tumor cell proliferation
...ast, colorectal or ovarian cancer (50 samples from each tumor type). Analysis of the data showed that 8 percent of breast, 6 percent of colorectal and 2 percent of ovarian tumors had the AKT1 mutation in the samples that were screened in their study. Recently, molecular features such as the AKT1 mutati...Link between immune system and mammary gland could shed new light on breast cancer
...or T helper Type 2 to attack a parasite. Once made each type of T cell releases cytokine molecules to promote more of its own kind to help the bodys immune response. The Cambridge researchers have shown that during pregnancy the mammary gland uses this system to enhance the growth of milk producing cells....Color is in the eye of the beholder
...is the presence of multiple classes of cone cells, each with a different spectral sensitivity, that gives us the ability to discriminate colors....Male or female factor infertility -- men suffer just the same
...to focus on their partnership and communicate with each other in a mutually supportive way. They might also be directed to online support services, and given the chance to speak to other couples with fertility problems But psychosocial counselling may be beneficial and more readily accepted in the lat...New medical implants should react with the body, not seek to be inert
...r than simply try to prevent them fighting against each other. Ratner looks forward to an exciting future. These sorts of ideas will lead to a new biomaterials science that will permit us to make materials for medical devices that function better, last longer, encourage healing and provide enhanced pati...