Skull study sheds light on dinosaur diversity
... Jeffrey Wilson says. Wilson's recent restudy and reconstruction of the skull of a Mongolian sauropod adds to a gro... the end of the dinosaur era. Wilson described the reconstruction and the conclusions he drew from it in a paper published Aug. 24 in the Journal of Systematic Palaeo...Spiders help scientists discover how muscles relax
...e the map, they soon had their structure. "The new reconstruction was very detailed; we were all amazed with the level of detail that it showed," Padrn said. The structure provides crucial new details. A twisting, symmetrical arrangement of myosin heads spaced around the filament's circumference surrounds a backbon...Multi-species genome comparison sheds new light on evolutionary processes, cancer mutations
... on an analysis that included a computer-generated reconstruction of the genomes of long-extinct mammals, researchers found the rate of chromosomal evolution among mammals dramatically accelerated following the extinction of the dinosaurs about 65 million years ago. Before the sudden demise of dinosaurs and many o...Comparative chromosome study finds breakage trends, cancer ties
... the researchers, who studied a computer-generated reconstruction of genomes of long extinct mammals, including the ancestor of the majority of living placental mammals of 94 million years ago. "Based on our findings of the mammalian rate speed-up, we postulate that early mammals, with conservative body plans, reta...Salk scientists overturn a dogma of nerve cell communication
...partment of Neuroscience created a high-resolution reconstruction of the structure using high-voltage electron microscopy. "In addition to the discovery of ectopic transmission this is the very first time that all these elements have been brought together," says Sejnowski. "Combining mathematical modeling with ph...NIH funds eleven High-End Instrumentation grants
...ecules and allow investigators to perform computer reconstruction at the subnanometer scale for large and complex macromolecular assemblies. Super computers with high performance visualization hardware and parallel architectures allow for large data storage and high-speed transfer. "Rapid technological development...North & South American researchers find architectural abnormalities in T. cruzi ribosome
...res by a method he developed for three-dimensional reconstruction of large molecules using electron microscopy and i... result of Frank's electron microscope imaging and reconstruction methods. The ribosomes of different eukaryotic organisms have only slight differences in their peri...Deep sea algae connect ancient climate, carbon dioxide and vegetation
...y unknown," said Pagani, who is recognized for his reconstruction of past atmospheric carbon dioxide levels between 25 million and eight million years ago. They also present intriguing evidence that the sharp drop in carbon dioxide level, between 33 - 25 million years ago, prompted the origin of economically import...The making and breaking of microtubules
... it was impossible for us to use classical helical reconstruction methods," he says, "but there were no other method...Once it was ready, we were able to get the correct reconstruction in less than three months." Next the researchers tackled the polymerization process, watching w...Temple engineers recieve NSF grant to develop interactive high school biology curriculum
...ry skills and reasoning patterns necessary for the reconstruction of past events, said Butz, who is a professor of electrical and computer engineering at Temple. The first scenario presents students with a murder investigation where they are charged with the responsibility of identifying suspects and solving the cr...Navigating an integrated yeast network
...angled to provide [the] basis for detailed network reconstruction and to elucidate fundamental organizational principles of biological networks."...Decoding the logic of olfaction
...might be seeing is at least an initial step in the reconstruction of an 'odor image' from its deconstructed features," she said....Gene 'archeology' gets easier using Carnegie Mellon University software
...ncorporate a broader collection of evidence in the reconstruction of a gene family tree," Durand said. Notung's user graphical interface makes it easy for the user to manipulate and interpret the output. The user interface also allows scientists to analyze trees that are too big to deal with manually. Durand has u...Tsunami-damaged coral reefs should be left to recover naturally, say scientists
... all of the affected nations. "However, long-term reconstruction efforts will need to examine requirements for rebu...ived and adapted over a long time." Poorly planned reconstruction programmes undertaken on the land can also adversely affect marine wildlife, say the scientists. Pr...University of Chicago researchers reveal secrets of snake flight
...ideo cameras to record in stereo, enabling the 3-D reconstruction of the head, midpoint and vent coordinates of the snake throughout its trajectory. Socha found that the snake uses its ribs to change its body shape; it flattens from head to vent. The snake takes control of its flight by undulating through the air i...Fungus-farming termites descend from an African rain forest Eve
...riculture originated in African rain forest. Their reconstruction of ancestral habitats is based on the habitat of living species and analysis of DNA-based reconstructions of termite relationships. The rain forest origin of fungus-growing termites is remarkable, as extant species of fungus-growing termites are ecol...Carbon dioxide role in past climate revealed
...alysis of seabed sediments to make a sophisticated reconstruction of past sea temperatures. If the warming was caused by ocean currents, we would expect to see cooling at the tropics and warming at the poles. Conversely, if CO2 was the cause then we would expect both the tropics and the poles to warm. The sea te...Tiny scaffolding allows stem cells to become working fat cells
...w approach to growing fat tissue for use in breast reconstruction surgery and other clinical needs, and may even be important for curing type II diabetes. Douglas Kniss, professor of obstetrics and gynecology and of biomedical engineering at Ohio State University, reported this progress in the current issue of the ......itional and locomotor behaviors." They based their reconstruction on a skeleton known as La Ferrassie 1, which had b...roductions of modern human bones were added to the reconstruction only where Neanderthal parts were not available. "For the first time, this reconstruction allows dir...