For two primates, patience takes different forms, shaped by ecology
...f for reward is temporal (waiting for a reward) or spatial (traveling for a reward). The work is reported by Jeffrey Stevens, Marc Hauser, and colleagues at Harvard University. Earlier work by others had demonstrated that two species of New World monkeys--cotton-top tamarins (Saguinus oedipus) and common mar...Selective logging causes widespread destruction of Brazil's Amazon rainforest, study finds
...te sensing. With CLAS, we've been able to obtain a spatial resolution of 98 feet by 98 feet for the Brazilian Amazon Basin. That's huge." CLAS technology For the Science study, the researchers conducted their first basin-wide analysis of the Amazon from 1999 to 2002. "With CLAS, data analysis that used to ...Satellite study doubles forest disturbance estimates in Brazilimpacts widespread
...h 2002, the scientists used remote sensing, with a spatial resolution of 98 ft. x 98 ft. over millions of square miles, and selected on-ground surveys over the five states that account for 90% of all deforestation in the Brazilian Amazon. The annual extent of selective logging was found to be between 4,685 s...Sight can recover quickly in amblyopia
...g the better eye of a child is required to improve spatial resolution in the amblyopic eye, strong support for a role of binocular recovery in the initial stages of amblyopia has been reported, and large ongoing clinical studies are re-examining the roles of patching and binocular vision in recovery."...Where the brain combines what's heard and felt
... and the scientists can take advantage of the high spatial resolution offered by their approach. This is important because the areas under investigation are smaller than two or three millimeters. The results clearly show that the activity in the auditory cortex by an auditory impulse is strengthened when it ...Genetic cause of speech defect discovered
...alongside very poor performance in tasks involving spatial construction, such as drawing. In striking contras...form virtually no complete words but showed normal spatial ability. "For example, if asked to tell us what animal has long ears and eats carrots, he could only...NASA sees 2004's Hurricane Charley slice a Florida island
...ne Rapid Total Survey) to detect the magnitude and spatial variability of coastal changes such as beach erosion, overwash deposition and island breaches. The data will also be used to develop and test computer models that will predict coastal impacts from severe storms. It will be made available to local, st...Why a whale shark's spots could help save its skin
...dimensions of pixel groups of a single colour. The spatial relationships between these groups, represented by a set of x, y coordinates, form the basis for a unique identifier for each shark." In the same way that individual whales can be identified by the shape and markings on their flukes, photographic ide...Fish in ponds benefit flowering plants
...of the journal Nature. "The study illustrates how spatial mobility can lead to surprisingly strong couplings among disparate habitats in complex landscapes," said Robert D. Holt , professor of biology at the University of Florida and a study co-author. "A recognition of this fact opens up fresh questions t...NSF, NIH award Ecology of Infectious Diseases grants
...omplexity and ecological dynamics, and to evaluate spatial and temporal aspects of environmental change, have become increasingly sophisticated. However, few of these advances in the ecological sciences have yet contributed to biomedical research or to public health. That's where the joint NSF-NIH EID progra...Navigating the brain for sense of direction as paradigm for higher cognitive functions
...dy damage seems to preferentially affect memory on spatial tasks," the paper concluded. In addition to finding "place" and "head direction" cells in rats and mice, "we know for sure that monkeys have head direction cells and a kind of place cells, which are different from those in rats," Sharp said, adding: ...UW-Madison small-scale research receives big boost
...talline-based materials that could give scientists spatial and temporal control over the chemical functionality and physical properties of interfaces. "These materials, if successful, could be used to design new sensors for various classes of pathogens, viruses, proteins or toxic chemicals," he says. "And th...Leafy green vegetables may help keep brains sharp through aging
...s in another category of cognitive skills known as spatial copying. To test this, the 50- to 85-year-old study participants were asked to copy various shapes and figures, and their drawings were assessed for accuracy. "The men took a series of cognitive tests at the beginning of the study period and then rep...Prenatal exposure to marine toxin causes lasting damage
...oses of the marine toxin, including impairments to spatial memory. To explore the toxin's effects during dev... female rats in their ability to complete tasks of spatial memory, the researchers found. Previous research has shown that males normally outperform females on...New techniques study the brain's chemistry, neuron by neuron
...by neuron. The analytical techniques can probe the spatial and temporal distribution of biologically important molecules, such as vitamin E, and explore the chemical messengers behind thought, memory and emotion. "In most organ tissues of the body, adjacent cells do not have significant differences in their ...Study shows humans have ability to track odors, much like bloodhounds
...t is, keep their head motionless and say where the spatial source of an odor is," said study coauthor Noam So... appears to transform non-spatial information into spatial information," he said. "Together, these results are the first description of the mammalian brain mec...New chemistry method uses 'test tubes' far smaller than the width of a hair
...to see how proteins move within a cell and collect spatial information, but that provides very little biochemical information, Chiu said. Likewise, they can use large amounts of material in a test tube to understand biochemical processes, but that doesn't provide the fine detail of microscopy. "The cell is ...Virginia Tech group adds tools to DNA-targeted anti-cancer drugs
...rom the Brewer group. Miao will present "Dictating spatial organization of acceptor and donor orbitals in mixed-metal:mixed-ligand supramolecular complexes" (INOR 392), co-authored by Brewer. And Jeletic will present "Osmium(II) chromophores containing 2,2':6',2"-terpyridine and 2,3-bis(2-pyridyl)pyrazine an...Seeing the trees for the forest: WHRC scientists creating National Biomass and Carbon Dataset
... aboveground biomass, and carbon stock, as well as spatial error and confidence measures which are based on the validation results. 2) Three 30 m-resolution raster layers corresponding to the modeled vegetation canopy height, aboveground biomass, and carbon stock, plus associated confidence layers for height......umor cells. This could be achieved either through spatial or temporal selectivity of HIF-1 blockade," offers Dr. Dewhirst. This work may have important implications for the way in which HIF-1 inhibitors are used in the clinic with regards to identification of the types of tumors that are most likely to res...