Laser light from Free-Electron Laser used for first time in human surgery
...thods with a high success rate.Copeland opened the skull using traditional techniques. He only used the FEL to cut away a smallamount of material from the center of the tumor. The rest he cut out using a scalpel. Ultimately, Vanderbilt neurosurgeons hope to use the University's free-electron laser with ac......d a battery of two dozen measurements made on each skull to generate a "dendrogram," a tree-like figure in which the distance between the twigs reflects the closeness or distance between any given group and the others. Their studies show that descendants of the first humans to enter the New World, includin...New fossil snake with legs, reported in Science
...e, some paleontologists have noted features in its skull that they believe single it out as a transitional ... like boas and pythons have a distinctively mobile skull structure that allows them to nearly unhinge their jaw in a formidable gape and "walk" their skull o...Scientists discover 66-million-year-old dinosaur with a heart
...the only Thescelosaurus ever found with a complete skull and with soft tissues usually lost to decay. Tendons are still connected to its spine, and fossilized cartilage remains attached to its ribs. Shadows and shapes revealed by the 3-D images suggest Willo may contain other fossilized organs as well, Rus...Ancient feathered animal challenges dinosaur-bird link
...feathers. The teeth, pectoral structure, neck, and skull are just like those of birds." Scientists from the University of Kansas, Russian Academy of Sciences, University of North Carolina at Chapel Hill, City University of New York, College of Charleston and Sonoma State University also contributed to th...New fossil study rejects 'Eve theory'
...s from the Mladec cave in the Czech Republic and a skull from the Willandra Lakes region of Southeastern Australia to the other fossil skulls that could be ancestors. In each case, they analyzed in how many respects the Mladec and Australian skulls were like the other skulls and in how many respects they ...Museum dinosaur labs draw international researchers
...couple of years ago because of her interest in the skull of a meat-eating dinosaur from the late Jurassic Period. The Museum of the Rockies houses the skull of an Allosaurus fragilis excavated in 1991 in northern Wyoming. Uncrushed and almost one meter lon......ctus, and wider than it should be. The back of her skull also echoes this broader, more rounded shape, crea...s and CT scans. But it was an interior cast of the skull that immediately piqued their interest. Such endocasts indicate the overall shape of an individual's...What it means to be a mammal: New clues from tiny fossil described in Science
...aking examination of its 12 millimeter-long fossil skull in the 25 May issue of the journal Science sugge...l History. Anatomical features of Hadrocodium 's skull suggest that its middle ear bones were separated from its lower jaw, a key step in the evolutionary ...Earliest chewing herbivore ever found spurred vertebrate life on land, scientists find
...h as lions and leopards. Discovered in 1990, the skull of Suminia looks something like that of a little monkey or a rodent, with huge eyes and very impressive teeth. This herbivore lived during the Upper Permian period of the Paleozoic era some 260 million years ago, about 50 million years before dinosau...Web key helps researchers identify mammals
...ng a series of either-or questions, someone with a skull or skin specimen in hand can narrow down the possibilities until he or she identifies the specimen. Each question is accompanied by images (photographs and/or drawings) illustrating the difference between the two choices presented. This easy-to-use ...Earliest human ancestors discovered in Ethiopia
...se creatures is not yet possible because an intact skull or limb bones have not yet been found. Researchers estimate the size of the skeletal bones and the lower jaw is roughly the same size as a modern chimpanzee. "This is an exciting development," says Mark Weiss, program director of physical anthropolo...New study puts dinosaur noses in their place
...re reinforced with the 1884 discovery of an intact skull of the sauropod Diplodocus, which revealed a large hole at the top of the head that scientists believed held the entire nasal cavity. "Despite the fact that many years later we realized sauropods weren't primarily aquatic, we never addressed the nos...... others have described parts of it, especially the skull and head musculature, but the back and limb anatomy has not been so well described. I am dealing with the normal anatomy first, and then going on to describe scoliotic animals." Scoliosis in koalas and humans seems to take different forms. "If you ...New fossils suggest whales and hippos are close kin
...t combine sheep-like ankle bones and archaic whale skull bones in the very same skeletons. The 47-million-year-old fossils, found by University of Michigan paleontology Prof. Philip D. Gingerich, graduate student Iyad Zalmout, and colleagues from the Geological Survey of Pakistan and the University of New ...Science Report: Super-crocodile crawls out of the African Cretaceous
...the croc family tree, but no one had enough of the skull and skeleton to really nail any the of true croc g...inguishing characteristics of Sarcosuchus , using skull length to estimate its maximum body length at approximately 11-12 meters, 37-40 feet and eight metri...Researchers zero in on date of early hominids
...f the Jordan River. Excavations there have yielded skull fragments, teeth, and evidence of early tools. Biostratigraphy and cultural evidence indicate an age of about 1.4 million years. Other out-of-Africa sites with ancient hominid remains have been found in Java, Indonesia, and Dmanisi in the Republic o...Tether for water channels found: May impact research on brain swelling
...l. If you hurt your brain, swelling can kill. The skull provides protection, but its rigidity can be a potentially lethal hazard as well." In addition to impacting research into brain swelling, the finding also creates a new vision of the invisible barrier between the blood and the brain, one that involve......lp, and the muscles over the dorsal surface of the skull were reflected to the sides. The front of the skull was scraped clean and a layer of glass microbeads applied, followed by a layer of dental cement. The......n apes) and humans; the other is the most complete skull ever found of a close relative of the African apes...s of the Geological Museum of Hungary describe the skull of Dryopithecus, discovered in Hungary by their team a couple of years ago. The fossil is identical ...