Wetting Of Structured Or Imprinted Surfaces - Zooming Down Onto The Nanoscale
...tension. However, the latter tensionshould have an observable effect as soon as the surface domains becomesufficiently small. Thus, a lot of effort is currently devoted to the study ofthe corresponding morphologies on the nanometer scale. Figure 1: (A) Bulge state of microchannel as determined theoretically; ...X-Ray Concentrator Will Expand Window On High-Energy Universe
...0 keV range. CapillaryX-ray optics will extend the observable range from 10 to 80 keV range. Blueprints for proteins Improved drugs to treat cancers and other diseases may be designed with the helpof capillary X-ray optics. "We expect this new technology to significantly accelerate the ability ofresearcher...How a hormonal henchman triggers death
...se they contain large chromosomes that form easily observable "puffs" when genes are activated. These puffs allow the scientists to link gene activity to biological processes. "We can easily trace the pathway between the hormone trigger and the transcriptional activation of target genes that kill the cells," sa...Blind, naked mole-rats not the inbreeders biologists once thought
...ng have thought that themselves. There is direct, observable evidence that they will tolerate inbreeding in laboratories and zoos. But now a biologist at Washington University in St. Louis reports evidence that the rodents are far more adventuresome and sociable than previously thought. Stanton Braude, Ph.D.,...University of Florida scientist maps brain reactions to food
...g advance. The work provides a unique set of new observable characteristics for the study of obesity, he said, "which should help us get closer to the fundamental regulation of food intake."...150-year global ice record reveals major warming trend
...presents one of the largest and longest records of observable climate data ever assembled. University of Wisconsin-Madison limnologist John Magnuson led a team of 13 co-authors who contributed to the report, to be published in the Sept. 8 issue of the journal Science. Sites ranges from Canada, Europe, Russia a...Fish and flies caught in the act of speciation, Science researchers report
...of rapid speciation in nature, because much of the observable reproductive isolation can arise soon after a population's initial divergence, or deviation from the ancestral form, notes Hendry. Considering the short evolution time for reproductive isolation, many questions still remain, such as, why don't more s...URI oceanographers discover how planetary waves affect phytoplankton production
... are only a few centimeters in height, making them observable only through satellite imagery. A Rossby wave can be hundreds of miles wide, but moves so slowly that it could take months or years for it to cross the ocean. As this wave passes, it causes water motion that pumps more nutrients from the depths to th......oxygen deprivation - resulting in cessation of all observable metabolic activity, including heartbeat - zebrafis...nce of oxygen caused development to arrest and all observable metabolic activity to cease - including a shutdown of the heart, which normally beats 100 times per ...Hot pepper oil may prevent salmonella in poultry
..." Her current research is designed to evaluate any observable effects of capsaicin directly on Salmonella in lab... that Salmonella typically results in little to no observable illness in chickens, but it is a disease of concern to the industry due to its ability to cause huma...Human and fly studies tally good and bad mutations, stress ongoing role of natural selection
...n genetics, people studied evolution by looking at observable differences -- such as variation in the shape of a bird's beak -- with a clear fitness value. In the 60s, researchers realized that underneath the few obvious differences between related species there were millions of DNA variations, far too many fo...Rare fossilized tube feet suggest functional shift through time
...beneckei, however, the presence of tube feet is an observable fact, Blake said. We dont need X-rays to see them, so there is no question about identification. The scientists findings have important implications for the interpretations of similar fossils. The presence of soft parts in B. Beneckei serves as an ......he microscopic structure of space and time becomes observable is the Planck scale. To get an idea of how small that is, imagine the ratio between the size of the earth and the size of a nucleus. The nucleus is a 100 trillion trillion times smaller than the earth. Now go down another 100 trillion trillion time...Short-term exposure to estrogen cuts fish fertility
...can have just as significant -- but not physically observable -- effects," Schultz said....Some 400 'fragile regions' of genome more vulnerable to evolutionary breaks
...eory, and thus is consistent with all genetic data observable prior to 2002. However, at the microscopic level, when it comes to the short breakpoint regions, their theory explains the new genomic data while random breakage theory fails to do so. The UCSD scientists hope to gather more evidence for their 'frag...Physics tip sheet #36 - July 30, 2003
...ird short-term effect of invisible protons is also observable with electron-proton Compton scattering (ECS). Although NCS and ECS operate in the same attosecond time window, ECS employs the electromagnetic force and NCS the strong force, which shows the observations are independent. Journal article: Available t....... Or he may rely on phenotypic cues, ones based on observable characteristics derived from the offspring's specific genetic code, such as physical appearance or an odor. According to Jane Brockmann, who directs NSF's animal behavior research program, "This study puts together the behavior and physiology of indi...