Behemoth Animals May Follow Same Extinction Patterns
...ine. "No one has ever put both graphs on the same chart before," saysCuffey. "Because the patterns appear to be similar, perhaps we canlearn something about the decline of the dinosaurs from the more recentdecline of the elephants." Cuffey notes that both groups of animals were the largest creatures of ......theelectrical activity in the neurons, producing a chart called anelectro-olfactogram. Electrical activity was highest when the nerve cells wereexposed to octanal, an aldehyde that smells meaty to humans. Related aldehydesthat smell grassy or fruity to humans produced no effect in the modified ratnerve c...Does Mountain Living Slow Rate Of Molecular Evolution?
... species, Bleiweiss was able to compare and chart "genetic distances" between the amino acid base pairs that make up hummingbirds' genetic material. Those distances, says Bleiweiss, have...New Clues To Evolution Of Human Brain
...es in the brain every fewseconds, allowing them to chart neural activity nearly in real time. For Courtney, who is discretely examining what she calls "the contents ofconsciousness," functional imaging has advanced her work considerably. Besidesrevealing clues about human brain evolution, her latest work w...Sandia, University Of Montana Researchers Try Training Bees To Find Buried Landmines
..., using ahandheld radar tracking device, they will chart where thosebees go to determine whether they tend to forage near thelocations of known landmines. Countering the worst form ofpollution on earth The ultimate goal of the project, says Bender, is todetermine whether buried mines are present in large a...Science panel endorses new non-animal test to see if chemicals will burn, corrode skin and eyes
...e detection system is compared to a classification chart to determinecorrosivity. In order to develop a scientific consensus on the usefulness andlimitations of the new test, panel members evaluated all available informationand data to determine the extent to which each of the ICCVAM criteria forva......y's signal and their laterdevelopment; To chart what changes take place in response to the gravity signal atthe genetic level, and to take a particular look at the role calcium plays inthis so-called signal transduction (or transfer); and To identify the role of proteins regulated by gravi...INEEL launches comprehensive vadose zone management program
... INEEL is taking the first ground-breaking step to chart an integratedprogram for this poorly understood natural buffer by creating a roadmap thatwill guide the national agenda for funding vadose zone science and technologydevelopment. The INEEL sponsored the first meeting of an external advisorygroup in ...This is your adolescent brain on alcohol
... be in school, learning things that will help them chart their future by guiding academic and career decisions. But if students are drinking so heavily that it's affecting their brain functioning, they may not be able to get as much out of educational opportunities. This could significantly disrupt their...Concorde to blame for missing pigeons?
... birds also need to have a "map sense" -- a mental chart linking their starting position and destination so they know which way to go. "Nobody has been able to understand how they do that," says Jon Hagstrum of the US Geological Survey in Menlo Park. Some scientists have suggested that the key to the avia...EPA, OSHA and CPSC accept non-animal system for screening chemicals' skin corrosiveness
...e detection system is compared to a classification chart to determine corrosivity. In order to develop a scientific consensus on the usefulness and limitations of the new test, panel members evaluated all available information and data to determine the extent to which the ICCVAM criteria for validation a...Food chain length depends on size of pond
...vertebrates, little fish and medium-sized fish. A chart of the characteristics of the lakes used in the study is available at http://www.news.cornell.edu/releases/June00/lakechart.html Because the researchers couldn't hold their breath long enough to follow food chains from the bottom to the top and cou...Lactose intolerant girls can have their milk and drink it, too
... Each girl was asked to record her symptoms on a chart once an hour during the breath tests and once each evening during the study. Symptoms of lactose intolerance decreased during the course of the study. In addition to a reduction in bloating ...'Translocation' surgery yields unprecedented results
...ld read an additional two lines on a standard eye chart or had vision of 20/100 or better -- enough to le...ned two or more lines of vision on a standard eye chart compared to measurements taken before surgery. Within six months following surgery, 48 percent of ......interaction between systematists like Mishler, who chart the evolutionary relationships among plants, and genomicists identifying the genetic makeup of green plants. "Deep Gene is an attempt to meld together the plant phylogenetics progress we've made rapidly in the last few years with the rapid progress i...One gene found to command many others to build a wing
...nt because it helps define the organizational flow chart for genes whose job it is to build structures. These genes, known generally as selector genes, are critical to the building of wings, legs, eyes, antennae and more. And the implications of the discovery very likely extend far beyond fruit flies to ot...Climate change affecting even remote arctic environment, study says
...g in fall 2002. These recommendations will likely chart the course of CAFF's work for the next several years, and are expected to be used by other organizations interested in Arctic conservation....Software to make testing of new generic drugs more thorough
... compares sets of curves that chart drug characteristics, and take... approach is for the drug company statisticians to chart the dissolution of each drug graphically, take averages of multiple ...DNA analysis of salamanders turns up new species under almost every log, UC Berkeley zoologists find
...sts use DNA comparisons to distinguish species and chart family trees. More and more researchers are finding that what once were thought to be separate populations of the same species are, in fact, different species or lineages, each as genetically distinct as a horse from a cow. "Biodiversity has been gro......ses filled with stones and bones. Today, they must chart a dynamic, activist course on behalf of the Earths fragile biodiversity and endangered environments. Through careful science-based advocacy and partnerships, natural history museums can and should directly advance conservation goals all the while pr...