ENCODE map changes view of the human genome landscape
...f known genes, or whether they represent the first evidence of heretofore unidentified genes. Contact: Zhipi...the fact that many experimental annotations had no evidence of mammalian sequence constraint, he said. Their manuscript describes several possibilities for thi...Slow wave activity during sleep is lower in African-Americans than Caucasians
...red to Caucasians. "The current findings provide evidence for ethnic differences in the intensity of NREM sleep," said Tasali. "Lower levels of SWA in African-Americans could be related to their reported poor sleep quality and higher risk for insulin resistance." The amount of sleep a person gets affects...Massive herds of animals found to still exist in Southern Sudan
...gest freshwater wetland in Africa. They also found evidence of even larger numbers of elephants in Boma and in the Jonglei landscape. According to the World Conservation Unions African elephant database, there were no reliable records of elephants in Sudan. Although we were telling people that wildlife was s...Daddies' girls choose men just like their fathers
...lution and Human Behaviour, the study investigated evidence of parental sexual imprinting, the sexual preference for individuals possessing parental characteristics, in women. The team used facial measurements to give a clear view of how fathers facial features relate directly to the features of faces their d...Pavlov's cockroach: Classical conditioning of salivation in an insect
... than dogs and humans, thereby providing the first evidence of sophisticated neural control of autonomic function in insects. Its underlying neural mechanisms remain elusive because of the complexity of the mammalian brain. The results provide a useful model system for studying cellular basis of conditioning ...OSA symptoms more common among African-American women than Caucasians
...who remain undiagnosed and untreated. Scientific evidence shows that CPAP is the best treatment for sleep apnea. CPAP provides a steady stream of pressurized air to patients through a mask that they wear during sleep. This airflow keeps the airway open, preventing the pauses in breathing that characterize...'Lucky 13' as new gene discovery offers further hope for childhood blindness
... adds a substantial new piece to a growing body of evidence that defects of the cilia are a major cause of inherited blindness. In that sense, we can consider this a 'lucky thirteenth' as we are building a much clearer picture of what causes the disorder." Professor Inglehearn believes that lebercilin may b...Migration alert -- How tumor cells home in on the lymphatic system
...ignaling molecule. The study provides the first evidence that tumor cells can both produce and use the same signaling molecule, and it highlights the significance of the biophysical environment in the vicinity of a tumor, particularly the existence of continuous slow flow in the direction of functional lym...Woods Hole Research Center scientists study impacts of industrial logging in Central Africa
...s provide access, and this research provides clear evidence that the rainforests of Central Africa are not as remote as they once were.a bad thing for many of the species that call it home. Monitoring the expansion of logging in last dense humid forest of Central Africa is not only important for biodivers...Caribbean frog populations started with single, ancient voyage on South American raft
...funded the research. "The research presents strong evidence that this group of frogs reached the Caribbean islands by dispersal." A recent global assessment of amphibians found that the Caribbean Islands have the highest proportion of amphibian species threatened with extinction. The anatomy of Caribbean ...University of Manchester researchers reveal clues to new genes behind rheumatoid arthritis
...rs at the University of Manchester have identified evidence of several new genes behind the chronic inflammatory disease rheumatoid arthritis (RA), which affects 387,000 people in the UK. Professor Jane Worthington and her team at the University's arthritis research campaign (arc) Epidemiology Unit made the...Columbine flowers develop long nectar spurs in response to pollinators
...me to a halt. Whittall and Hodges' work provides evidence that evolution may occur in a stop-and-go pattern--one in which adaptation to specific pollinators occurs very rapidly, followed by periods of no further evolution until another pollinator shift occurs, according to William Zamer, deputy director of ...Dietary preferences and patterns may be linked to genes
... preference for dietary fat, the researchers found evidence that the APOA2 gene influences preferences for protein and carbohydrate. People with the CC genotype consumed higher absolute amounts of protein and lower absolute amounts of carbohydrate than those with the TT and TC genotypes. People with the CC ge...New collaborative research reveals chimpanzees can sustain multiple-tradition cultures
...chers believe exist in the wild, providing further evidence chimpanzees and humans shared a common ancestor five to six million years ago who had a similar level of cultural complexity. For years, primatologists have suggested different communities of chimpanzees across Africa vary in many behavior patterns...Lack of sun does not explain low vitamin D in elderly who are overweight
... critical in maintaining bone health, and there is evidence that many older Americans have low blood levels of vitamin D, which can put them at risk for bone fractures and osteoporosis, says Dawson-Hughes, who is also a professor at Tufts University School of Medicine. These results cannot be carried...Ancient DNA traces the woolly mammoth's disappearance
Some ancient-DNA evidence has offered new clues to a very cold case: the dis...ory Museum in London and others, had earlier found evidence that bison, bears, and lions underwent major population shifts twenty-five to fifty thousand years a...Satellite images show destroyed and threatened villages in Darfur
...in the war-torn Darfur region of Sudan and provide evidence of destroyed villages. High-resolution commercia...Rights -- produced satellite images showing strong evidence the government of Zimbabwe had destroyed a settlement west of Harare and relocated thousands of resi......in the roots of rice plants. Their results provide evidence that this transporter has capabilitiespreviously thought to exist but not genetically validated in plants before. Under salt stress,when sodium levels are too high, OsHKT2;1 transport is quickly shut off, protecting the plantfrom accumulating too muc...University of Pittsburgh scientists find new contributor to aggressive cancers
...d been increased. On the other hand, they did find evidence of metastasis in three of 12 mice with one type of tumor deficient in normal integrin 7 and in four of the 12 mice with another type of tumor deficient in normal integrin 7. Furthermore, the six-week survival of mice bearing tumors with increased lev......AD and cerebrovascular pathologies. Furthermore, evidence is accumulating that stroke and transient ischemic attacks significantly increase the risk of AD in elderly individuals. Thus, stroke may represent either a precipitating or a triggering event in AD, they wrote. In summary, wrote Tesco, Tanzi, and ...