The Shape Of Life: How Does The Computer "Know" When It Sees It?
... and hiscolleagues will also throw themachine some curve balls with artificial data to test its performance. The goal of the third phase is for the D'Arcy machine to automatically acquireand classify images with minimalhuman supervision. At this stage, the machine will be equipped for future searchscenario...Beetle uses fecal defense against predators
...right or to the left, the strands are fashioned to curve around either the right or left side of the larva, the biologists report in the journal. As the immature insects molt and advance to another stage (called an instar) of their larval lives, the caudal fork grows additional sections, and the dome-shape...Benzene responsible for high percentage of leukemia deaths induced by smoking
...n it cause cancer. The shape of the dose-response curve is important for the Occupational Safety and Health Administration and Environmental Protection Agency when they attempt to set standards to protect workers and the public. If cancer increases linearly with increases in benzene levels, permissible le...Science's Top 10: genome sequencing named top scientific advance of 2000
...cientists' view that the universe is flat (with no curve to space and time), but cast doubt on the current simple models of how much ordinary and dark matter exist in the universe, and how the universe went through its early expansion. Receptor Roles: Scientists gained new insight into the various role...Study using human fetal tissue transplants suggests potential for spinal cord repair
...to the bedside and put us on an important learning curve about human spinal cord injury," added co-author Paul J. Reier, PhD. "They help us identify practical issues in the development of new and safe treatments. In that sense, this experience is already helping us design future laboratory studies that are...Sex differences in osmotic regulation of AVP and renal sodium handling
...tions indicate a shift in the pressure-natriuresis curve related to differential sensitivity to the renin-angtiotensin system or possibly direct effects on the kidney. In addition, the greater AVP sensitivity to osmotic stimulation may have also caused the greater increase in cortisol and blood pressure du...April GEOLOGY and GSA TODAY media highlights
...fe on our planet. Therefore, achieving a diversity curve that accurately estimates changes in species diversity through time is of central importance to paleontology. Previously compiled diversity curves have contributed a wealth of information, such as the timing and magnitude of mass extinctions, the dyn...Greatest threat to Asia's wildlife is hunting, scientists say
...ow at an alarming level. "Asia is way ahead of the curve when it comes to wildlife trade: in Africa bushmeat is a critical problem because wildlife is still locally abundant," said Dr. Elizabeth Bennett, director of the WCS Hunting and Wildlife Trade Program and co-organizer of the meeting. In Asia decade...Just one bite at a time: Researchers find snake with unusual feeding habit
...not adapted for slicing and cutting. Instead, they curve back into the mouth which is an adaptation for holding the prey inside the mouth. Fordonia, on the other hand, has no stereotypical behavior for pulling its crab prey apart, although they do occasionally break the legs off hard-shelled crabs. "When f...Multiple factors affect flight power curves among species
...iel and turtledove data were compared to the power curve of magpies, which had been studied previously. It...searchers said that flight style may explain power curve differences between the birds studied and magpies. Magpies combine a fluctuating wing beat gait, sp...Brain imaging study sheds light on inner workings of human intelligence
...erimenters would occasionally throw participants a curve ball: showing them a new item that did not match the oldest item, but did match one nearby in the on-going sequence. Participants found these 'lure' items to be especially distracting. A key finding of the study was that participants with higher flui...Black water turns the tide on Florida coral
... drain from the Everglades into Florida Bight (the curve in the shoreline from the Keys north to Everglades National Park on the mainland), carrying high levels of nutrients such as silicate, phosphorus, and nitrogen to the sea. These caused a bloom of the microscopic marine plants known as diatoms in the ...Bracing is less effective in overweight teens with scoliosis
...cally after the age of 10. Braces designed to stop curve progression by holding the spine in a straighter p...o be of sufficient magnitude to create and sustain curve correction. However, because overweight patients have more and thicker soft tissue and surface area,...Abnormally high number of Lou Gehrig's disease cases identified among Gulf War veterans
...s that year. "The increasing slope of the epidemic curve beginning three years after the Gulf War and still increasing in 1998 further supports a true excess and raises the possibility of an even larger ALS problem in future years in the Gulf War veteran population," said Dr. Haley. Dr. Haley also found th...Two studies find Gulf War veterans have increased risk of ALS
...rt appearing, which would explain why the epidemic curve rose at the end, Haley said. Both studies noted that further research should be done to identify environmental risks and other factors that could explain the elevated risk of ALS in Gulf War veterans. An editorial in the same issue of Neurology cauti...Book shows patterns within the bell curve
... patterns hidden within the ubiquitous bell-shaped curve are revealed in a new book, "Treasures Inside the Bell: Hidden Order in Chance," by Carlos Puente, a professor of hydrology at UC Davis. In his book, Puente shows how multiple repetitions (iterations) of the same simple mathematical operations can cr...Alcohol exposure in pre- and early post-natal stages may cause insulin resistance
...ring exposed to EtOH during lactation had a growth curve that was comparable to controls. Glucose Tolerance and Insulin Sensitivity: The glucose curves were similar among the three EtOH groups, but showed higher glycemiae compared with control rats, especially during the last 70 min. The AUG curves we...Can the mode of training affect the hormone response to different modes of exercise?
... recovery from resistance exercise. Area under the curve results indicated that the SED subjects had significantly greater total testosterone concentrations compared to END or RES subjects. Free Testosterone : The changes in free testosterone across sessions closely matched the changes in total test...UF study: World shark attacks sink again, may signal long-term trend
... have occurred. "There has been a gradual learning curve among ocean users," he said. "We now understand that shark-human interactions, while very rare and occasionally serious, are part of the price we pay for venturing into a foreign environment." As in recent years, the bulk of the 2003 attacks we...