Old bones unearth new date for giant deer's last stand
...e continent to collect dozens of ancient bones and teeth which, when radiocarbon dated, revealed that the Eurasian giant deer survived to 7,000 years ago, much later than previously thought. Giant deer first appeared about 400,000 years and roamed much of the Eurasian continent alongside the woolly mammot...Effort to control trade in great white sharks gets teeth from international community
...mprove management and monitoring of trade in jaws, teeth and fins from the world's largest predatory fish. Led by the governments of Madagascar and Australia, the proposal to list the great white shark on Appendix II--which will provide key data on trade and allow better management of the species--was app...Are museum collections of ancient life representative?
...in nature? Maybe the curator just looked for T-rex teeth and flies in amber. Susan Barbour Wood of Stuart, Va., a Ph.D. student in geosciences at Virginia Tech, compared the biodiversity of the mollusk collection from the Chesapeake region at the Virginia Museum of Natural History in Martinsville with bul...New Royal Society journal studies
...raham and Professor MM Smith We have analysed how teeth form in the trout, an animal with a complex dentition where teeth are not only associated with the jaws but are found at other sites within the mouth. Comparison with...New program examines stem cells' potential to repair, replace damaged tissue
...g the concept for years, taking molds or X-rays of teeth then making caps or crowns to restore form and function. "It's a very important area," he says of the interest in regeneration. "What we are particularly interested in is being able to reconstruct people with facial cancer. Oral facial cancer is one ...... A more balanced head with a flatter face, smaller teeth and short snout, compared with australopithecines. That "shifts the center of mass back so it's easier to balance your head when you are bobbing up and down running," Bramble says. A ligament that runs from the back of the skull and neck down to...Study in Royal Society journal on possible genetic factors in social responsiblity
...r I Cote and Dr KL Cheney We have analysed how teeth form in the trout, an animal with a complex dentition where teeth are not only associated with the jaws but are found at other sites within the mouth. Comparison with...NIDCR launches unique initiative on oral biofilm
..., the sticky bacteria-laden films that form on our teeth and gums. The study, which will yield many tens of thousands of genes exceeding the number identified in the landmark Human Genome Project - will also attempt to detect unique patterns of gene expression within these bacterial communities that are...Researchers compare chicken, human genomes
...ary glands and the nose in mammals and the loss of teeth in birds. But other results of the analysis caught even the researchers by surprise. The analysis showed that a group of genes that code for odor receptor proteins is dramatically expanded in the chicken genome a finding that appears to contradict ...Chicken genome analysis unlocks secrets of mammalian and bird evolution
...eins and enamel proteins, mirroring the absence of teeth and milk-producing capabilities in birds. Despite the evolutionary distance between chickens and humans, long blocks in the genomes of both species contain genes that share the same chromosomal position. Expansion and contraction of gene families...Anthropologists find 4.5 million-year-old hominid fossils in Ethiopia
...parts of one upper and two lower jaw bones -- with teeth still intact -- several loose teeth, part of a toe bone and intact finger bones. The scientists believe the fossils belong to nine individuals of the species A. ramidus. The scientists used argon isotope dating of volcanic materials found in the vici...Scientists find missing link between whale and its closest relative, the hippo
...eserved and most numerous fossils, and analysis of teeth is very important in paleontology, but they are subject to lots of environmental processes and can quickly adapt to the outside world. So, most characteristics are not dependable indications of relationships between major groups of mammals. Teeth are...'Man the Hunter' theory is debunked in new book
...ey were basically smallish bipedal primates. Their teeth were relatively small, very much like modern human...hecus afarensis didn't have tools, didn't have big teeth and was three feet tall. He was using his brain, his agility and his social skills to get away from ...Spit, and call me in the morning
...ed to predict the number of cavities in a person's teeth and perhaps even where in the mouth the cavities will develop, according to new research. Saliva is also relatively easy to collect, since spitting into a cup doesn't require needles and can be done while a doctor or drug tester watches. As the panel...Gorilla diet tips -- Have we 'evolved to eat mush'?
...t the AAAS Meeting, children with too many crooked teeth in a small jaw may have evolution to thank, as too...ed. "We're a pretty puny bunch, really, with small teeth and small jaws. If we can't get the foods we like, and we have to adapt quickly, we might be in a te...To control germs, scientists deploy tiny agents provocateurs
...form the green slime on rocks, the plaque on human teeth and the slippery film on ship hulls. If a single cell were analogous to one man, biofilms would be the "bacterial equivalent of mob mentality," says Blackwell. In the realm of health, biofilms are at the root of growing numbers of tenacious, and som...UF researcher: Ideas about fossil horses undergo evolution in thinking
...d. MacFadden analyzed the chemistry of fossilized teeth to determine horse diets. Animals incorporate into their skeletons and teeth the carbon content of the plants they eat, he said, and grasses photosynthesize carbon differently t...Researchers trace evolution to relatively simple genetic changes
...e Mendelian trait that controls formation of hair, teeth and sweat glands. Darwin talked about 'the toothless men of Sind,' a pedigree (in India) that was striking because many of the men were missing their hair, had very few teeth, and couldn't sweat in hot weather. It's a very unusual constellation of sy...UF science discovery raises questions about origin of African mammals
...ant when we come across a bone in association with teeth because then it's like finding a Rosetta stone," he said. "The next time you fine one of these bones you know to whom it belongs." The paper's other authors are graduate student Tonya Penkrot and professor Kenneth Rose, both of Johns Hopkins Univers...Tips from the journals of the American Society for Microbiology
...y. Dental plaque is a film that forms naturally on teeth and consists of many different bacteria. While th...t. This is the same light source commonly used in teeth whitening procedures. The researchers compared bacterial presence before and after light treatment ...