Scientists discover addition of new brain cells in highest brain area
...h plays a crucial rolein the visual recognition of objects and faces, and 3) the posterior parietalregion, which is important for the representation of objects in space. Interestingly, there was no sign of neurogenesis in a fourth area, the striatecortex, whi...Exercise improves learning and memory
...ion processes, including spatial learning-locating objects in the environmentand consciously recalling facts, episodes, and unique events. The investigators also examined brain slices from the two groups of mice in order to measure a nerve-signaling process known as long-term potentiation, or LTP. A large b...DFG to set up 21 new collaborative research centres in 2000
...he processes which lead from the identification of objects to purposeful action, and to describe the interactions between the co-ordinating neuronal steps in these processes. It is a question of discovering how neuronal activity facilitates holistic perception and well co-ordinate motor response. Speaker: Pr...Scientists figure out how cells' tiniest motors work
...onth of an inch across, generate the force to haul objects up to a thousandtimes their own size. The scientists report their discoveries in the December 16 issue of the journal Nature. Seniorauthor is Ronald Vale, PhD, an investigator in the Howard Hughes Medical Institute and professor ofcellular and molec...The future of the world with materials science and engineering
...European Space Agency. "Satellites are innovative objects that frequently demand advances in both materials and mechanical engineering," says Dunn. "In order to meet these aims chemists, metallurgists, electrical, structural and materials engineers are combining their skills in intensive research collaborat...Toxicologists discover traces of diesel exhaust in the body
...ty of air inhaled, hygiene when dealing with dusty objects and metabolism differ in each individual. Air samples taken in Vienna have shown that between 12% and 30% of the larger particles contained in air consist of soot particles from diesel exhaust fumes. The WHO has designated such particles as "suspe...Ground-penetrating radar detects hard-to-find hazardous waste
... How well GPR detects certain objects depends on the alignment of th...side by side -- detects smooth objects like buried pipes or flat layers of rock very well, and is often used in bridge ...Discovery shows how brain 'fills in blanks' to help us see
...vered how the brain helps us see and interact with objects by filling in missing information, according to a ...thors. "What many people don't realize is that the objects we see are not necessarily the same as the information that reaches our eyes, so the brain needs to ...UF researchers find painless electrical stimulus helps restore hand movement for stroke patients
...st their dexterity and their ability to manipulate objects before and after the treatment sessions. These included repeatedly grasping wooden blocks with the affected hand, transporting them one at a time to the other side of a box and releasing them. Researchers assessed how many blocks participants could m...Study suggests ERT stimulates blood flow to key memory centers in brain
...eatment and 16 who were not, were asked to view 20 objects and a list of 20 words on a computer screen. During the scans, the women were shown a series of words or figures -- some that they had seen earlier on the computer screen and others that they had not seen before. As they viewed these items, the women...Snapping shrimp drown out sonar with bubble-popping trick, described in Science
...ugh a process called cavitation, which occurs when objects move quickly through fluids. It's primarily known ...ously interferes with efforts to detect underwater objects by sonar. In fact, Lohse says, the study of snapping shrimp acoustics began in World War II because ...Hopkins scientists shed light on how the brain 'thinks'
...ments by which the brain deals with the physics of objects and how the arm interacts with them. One way to think of primitives is to think of a Lego set, which contains a finite number of blocks, in particular shapes and sizes. To perceive reality, the brain arranges the blocks in order and eventually builds...Birds of prey spiralling to a kill
...ay in the birds' vision. Tests have shown they see objects in front of them most clearly when they turn their heads about 40 degrees to one side. But turning their heads in mid-flight might increase the birds' aerodynamic drag, slowing them down. To test this idea, Tucker placed life-sized models of peregri...Cats comforted by synthetic chemical, research suggests
...nt they released more FFP onto objects in the cage." Cats release FFP via glands in their face. In a second study, researchers looked at another environmental factor that may help calm anxious cats. The researchers exposed ...Science's Top 10: genome sequencing named top scientific advance of 2000
...ld started to break down. The perplexing idea that objects can have seemingly incompatible properties, such as being in two places at once, has generally been thought to apply only to tiny particles such as electrons. This year, researchers observed this phenomenon on a much larger scale, reporting that an e...Brain damage in autism: not what scientists once thought
... the typical autistic child's fixation on spinning objects and constant whirling around to long-suspected damage to the brain's control center for movement, balance and equilibrium. Reporting in the December 2000 issue of the Journal of Autism and Developmental Disorders, the Hopkins team said test results......rated. Without the CT images, most of the valuable objects could not have been safely separated for study," Arnold said. "Archaeological projects are usually on a tight budget, so the collaboration with the College of Veterinary Medicine is invaluable to our studies."......pact events," collisions involving Earth and other objects in space, with particular regional interest: Preliminary Interpretation of the USGS-NASA Langley Corehole, Chesapeake Bay Impact Structure, York-James Peninsula, Hampton, VA Gregory S. Gohn, US Geological Survey, Reston VA, ggohn@usgs.gov , 703-648-...Study finds new way that brain detects motion
...d that the brain measures continuous changes in an objects size to determine the rate at which the object is ...e brain relies entirely on the relative motions of objects in the visual field, such as the speed at which the taillights of the car ahead of us appear to be m...In gene therapy first, scientists restore vision to dogs born blind
...n when the lighting was dim. "The dogs bumped into objects on the left side, but would always avoid the objects on the right," Hauswirth said. Officials from the Foundation Fighting Blindness, which supported t...