Genetic study of Neanderthal DNA reveals early split between humans and Neanderthals
...n ancestry, say the authors, but do not share much else after evolving their separate ways. The study, published in this week's issue of Science, also finds no evidence of genetic admixture between Neanderthals and humans. The study helps to explain the evolutionary relationship between Homo sapiens and ...How mammals fuel milk production may have implications for cancer
...ially a synthetic factory for milk. Theres nothing else like it. During a typical 21-day course of lactation, a mouse will produce its entire body weight in lipid as well as three times its total body weight in milk, which consists of lipid, protein, and lactose. To accomplish this, two distinct develo...Blame our evolutionary risk of cancer on body mass
...telomerase expression they have, and find out what else they use to combat cancer." As for the tiny mice: "They don't have to worry about cancer," she says. "They're probably all praying for an anti-cat gene."...Project to intensify agricultural production in Great Lakes -- Africa's most impoverished region
... more mammals, birds, and amphibians than anywhere else in Africa. Part of the region is still covered by tropical rain forest. The Kagera Basin is in the border area of Burundi, Rwanda, and Tanzania, and is the headwater of the White Nile. Elevation averages 1,200 meters. Rainfall is relatively low, ...Coral stress 'like never in history'
... have been due to bleaching, disease, or something else - we just dont know. Regardless, what is clear is that the frequency of die-off was so much lower than it is today," says Pandolfi of his findings. The results, published in the scientific journal Geology, sound a warning bell to modern day reef ma...Too mellow for our predatory world
...o be a magnet for evolutionary biologists. Nowhere else is it possible to observe such a variety of different adaptation strategies in such a relatively small number of species. However, it is not only scientists who are drawn to the island; increasingly tourists have also discovered this unique archipela...Watching with intent to repeat ignites key learning area of brain
... imaging, found that when a person watches someone else perform a task with the intention of later replicating the observed performance, motor areas of the brain are activated in a fashion similar to that with accompanies actual movement. "We've been looking at the process of motor learning through obse...PLoS ONE is launched by the Public Library of Science
... authors can respond to the addition, and everyone else can benefit from the resulting dialogue. The possibilities are without limit, and the applications of this technology will no doubt hold some surprises. The beta version5 of PLoS ONE that is launched today is a work-in-progress. It is presented in b...Dinosaurs -- stones did not help with digestion
...nn University to Tbingen only recently. Yet what else were the dinosaurs' gastric stones used for? The researchers presume that they were accidentally eaten with their food or could have been swallowed on purpose to improve the intake of minerals. But if the stones did not help to crush vegetable food, ...Prenatal cocaine's lasting cellular effects
...timulant-resistant ADHD. "Neither we nor anyone else has yet identified whether this mechanism occurs in the human population," Stanwood said, "so that is a critical next step."...New studies find amazing concentration of species unique to East African mountains
...ens for over 1000 plants and animals found nowhere else on Earth and some with ancient lineages stretching...luding 43 butterflies--live only there and nowhere else on earth. Another 71 animals are found only within a limited range including these mountains and nea...Newly discovered fish named after New York aquarium biologist
...l of its freshwater fish species are found nowhere else on earth. The newly described black and gold cichlid is about five inches long, and known locally as a "garaka." It occurs in several river system in the northeastern part of the country. Loiselle himself has discovered ?? fifteen freshwater fishe...Some brain-damaged patients quit smoking with ease, researchers report in Science
... to have damage to the insula rather than anywhere else in the brain. At the time of the study, the patients had quit smoking for at least one year. Because the patients reported losing the urge to smoke so suddenly and without difficulty or relapse, Bechara and his colleagues concluded that insula d...UCF student's research with Disney giraffes may help conserve several species
...ally what giraffes eat, little is known about what else giraffes in the wild eat and what the nutritional value is. If the cattle technique could be applied to giraffes, researchers would have another tool to figure out what the creatures do in the wild, which would help better mimic the landscape and foo...Weight-loss supplement shows good and bad traits
...ms to work," Belury said. "But we're not sure what else it does to the body. Studying CLA's effects in two different animal models may help us to better understand any additional effects in humans. "It seems that these mice and rats represent a continuum of possible side effects induced by CLA," she con...Climate change only one symptom of a stressed planet Earth
...hanging. We also need to look more closely at what else is changing in addition to climate. For instance, the oceans and the terrestrial biosphere slow down climate change by absorbing half of the CO2 emitted to the atmosphere, but how long will this continue? We have evidence that these natural CO2 sinks...UF study: World shark attacks rise slightly but continue long-term dip
...a square mile basis has more attacks than anyplace else in the world. A nearby inlet draws many swimmers, surfers and sharks, which find all the splashing, kicking and other movements humans make in the water highly provocative, Burgess said. Shark attacks in Volusia County increased from nine in 2005...Neuroscientist Robert Sapolsky will discuss stress, health, Feb. 17 at AAAS meeting
...mal, you had better turn on the stress response or else you're dead. But if you get chronically, psychosocially stressed, like a Westernized human, then you are more at risk for heart disease and some of the other leading causes of death in Westernized life." Baboon studies In addition to numerous s...Cancer cells more likely to genetically mutate
...er until age 90, and you may even die of something else before that," Loeb explained....... amazing wildlife, many of which are found nowhere else on earth. The WCS project to relocate the Sumatran Ground Cuckoo was supported by the Swedish 300 Club Foundation for Bird Protection. Their Chairman, Henrik Lind, adds "We are delighted with the result of this work and we hope it highlights the nee...