Flexible electronics could find applications as sensors, artificial muscles
...nofabrication, nanomaterials characterization, and theory and simulation. With the many resources at Argonne at his disposal, Sun plans to expand his research to focus on applications in other biological and chemical sensors....First impressions: Computer model behaves like humans on visual categorization task
...mmediate recognition may provide the skeleton of a theory of vision. The huge task in front of us is to incorporate into the model the effects of attention and top-down beliefs." The team is now exploring what happens after the first feed-forward sweep, during the next 200-300 milliseconds of object recogni...Are all male's liars and cheaters? Yes -- if they're crayfish!
...e territorial disputes and acquire mates. Current theory insists that signals of strength should be honest. Surprisingly researchers have found that dishonest signals are used routinely during dominance disputes by male Australian crayfish. This work will be presented by Dr Robbie Wilson (University of Q......y of Manchester) will present work supporting this theory on Saturday 31st March 2007 at the Society for Experimental Biology's Annual Meeting in Glasgow. Researchers looked at the energy expended when walking whilst carrying a 10kg load. Importantly, the distribution of the weight varied in each instance...Dinosaur extinction didn't cause the rise of present-day mammals, claim researchers
...don (ZSL). It contradicts the previously accepted theory that the Mass Extinction Event (MEE) that wiped out the dinosaurs 65 million years ago prompted the rapid rise of the mammals we see on the earth today. The multinational research team has been working for over a decade to compile the tree of lif...National Academies host spring season of Distinctive Voices programs in Irvine, Calif.
...eligion Wednesday, June 6 7 p.m. Charles Darwin's theory of evolution by natural selection accounts for the design of organisms, but imperfections and worse exist in nature; defects, dysfunctions, oddities, waste, and even sadism are pervasive. Francisco J. Ayala will discuss how this could not be the pro...The validity of a leading theory that has held a glimmer of hope for unraveling the intricacies of the brain has just been called into question. Dr. Ilan Lampl of the Weizmann Institute of Science's Neurobiology Department has produced convincing evidence to the contrary. His findin...Why some people are more attractive than others
...ally flawed. The problem with current evolutionary theory is that if females select the most attractive mat...tic variation, which leads us to believe that our theory is correct.''We find that sexual selection can promote genetic diversity despite expectations to the...Too much water, fertilizer bad for plant diversity
...milar 150-year-old study, supports the scientists' theory that plant diversity is directly related to the number of limiting factors such as levels of nitrogen, phosphorus, potassium and water. ...Genomics throws species definition in question for microbes
...ion before a more meaningful and practical species theory can be developed. The need for more comprehensive and systematic data to uncover whether microorganisms are organized into robust, definable, biologically meaningful clusters that adhere to the concept of species. The acquisition of draft...Blood's clotting cells harbor 'ticking time bombs,' finding may help extend blood supply
...duction of platelets in the bone marrow. When that theory failed to pan out, they were initially left scratching their heads, Kile said. They then realized that Bcl-xL might serve to keep platelets alive, just as it does in other cells. Indeed, they found evidence in mice that prosurvival Bcl-xL constrain...Volcanic plumbing dictates development of deep-sea hydrothermal vents
...emains under the sea floor. For years, geologic theory has predicted that magma production alone is vital to fuel hydrothermal vents, or the hot smokers where microorganisms such as the Archaea thrive. These new findings indicate that the volcanic-plumbing system better explains why one volcano hosts hot...Moral judgment fails without feelings
... or say they could not, even if they agree that in theory they should. But according to a new study in the journal Nature, subjects with damage to a part of the frontal lobe make a less personal calculation. The logical choice, they say, is to sacrifice one life to save many. Conducted by researchers at...30th anniversary of the Heinz Maier-Leibnitz Prize
...es in query optimisation and looking at complexity theory in huge data set processing. Nicole Schweikardt is a junior professor and head of an Emmy Noether independent junior research group. In addition, she is a member of the Young Academy at the Berlin-Brandenburg Academy of Sciences and Humanities. Dr...Why are male antlers and horns so large?
...ers and horns so large? Darwin, when proposing his theory of evolution and sexual selection, suggested that the size of male ungulate antlers and horns may reflect male individual quality, and thereby be used by conspecifics as an honest signal of male sexual vigor, health, strength, hierarchical status, or...Keeping the body in sync -- the stability of cellular clocks
...eneva, the researchers turned to dynamical systems theory and developed a mathematical model that identified the molecular parameters responsible for the stability of the cellular clocks. Stability is a measure of how fast the system reverts to its initial state after being perturbed. To my knowledge we ...Darwin's famous finches and Venter's marine microbes
...to play a pivotal role in the inception of Darwins theory of evolution through natural selection, he had no inkling of their significance when he collected them during his voyage on the HMS Beagle. Similarly, it is hard to predict the impact the vast amount of marine microbial DNA collected during the S...New cell type identified in cancer development
...etection and treatment. Current cancer stem cell theory holds that tumors are comprised of a variety of ce... developing into cancer cells." Cancer stem cell theory is still in its infancy, but Gao feels these findings, if validated by additional studies, point to ...Press conferences at the year's largest physics meeting
...rsary of Woodstock and the 50th anniversary of the theory that explains low-temperature superconductivity. ...ta Barbara) will compare the highly successful BCS theory that applies to low-temperature superconductors to their cuprate counterparts; the effort to create ...NAS announces Virtual Symposium on Visual Culture and Bioscience
...of art and genetics. Anker teaches art history and theory at the School of Visual Arts in New York City where she is chair and editor of ArtLab23. She is also the host of BioBlurb on WPS1 Art Radio. This event is made possible through the generous support of Ralph S. OConnor and the Marian and Speros Mart...