Researchers Find Genetic Clues To Intestinal Disease
...d diagnosis, and help determine the best treatment for each individual. "Although earlier studies had sug... a Hopkins study to identify the genes responsible for the disease. Crohn's disease, which causes painful inflammation of the intestine and severe diarrh...Gene Discovery Could Overcome Aluminum Barrier To Higher Wheat Yields Worldwide
...arieties worldwide." USDA's Acting Under Secretary for <A HREF="http://www.reeusda.gov/ree/">Rese... said. That would offer potentially higher yields for a hungry world, he added. World population, now 5.8 billion, may grow to more than 9 billion by the ...Six-Year Drilling Project to Uncover One Million Years of Earth History
...showed that Hawaii's major volcanoes may be active for periods of almost a million years, nearly twice as long as previously thought. Additional findings of interest are that: The frequency of eruptions from Mauna Loa, a younger volcano arising from the slopes of Mauna Kea, has slowed from peak...'Juliet' Evades Primate Center Expedition
...ersity primatologists were unable to capture amate for the rare lemur called Romeo, in an October 2-16 ex...aslike Romeo, but were unable to come close enough for a capture. The diademed sifaka is the largest living lemur and considered perhaps themost beautiful...Behemoth Animals May Follow Same Extinction Patterns
...k at the last five million years before extinction for bothdinosaurs and proboscideans, we find a surpris...uffey. "The KT meteor was only the final deathblow for the dinosaurs, they had been declining in diversity and numberfor at least 5 million years." For t...Changing Continental Runoff Patterns Could Change Ocean Circulation
...," says Bice. "It takes one to two thousand years for this carbon dioxide to be returned to the atmosphere through upwelling elsewhere." As in carbonated soft drinks, carbon dioxide dissolves better in cold liquids than in warm liquids. If deep water is being formed in the warm subtropics, it wil...NCAR Scientist Models Earth's Climate and Vegetation Patterns At Last Glacial Peak
...climatologist and geologist at the National Center for Atmospheric Research in Boulder, has used NCAR com...mperatures may have plummeted to 40 degrees colder for those regions. Besides temperature, the model calculates all other climate indicators, including moi...NCAR Scientists Trek To Africa For Biosphere-Atmosphere Chemistry Study
... multiyear project called EXPRESSO, the Experiment for Regional Sources and Sinks of Oxidants. Leaders of the project are the National Center for Atmospheric Research (NCAR), in Boulder, Colorado; Paul Sabatier University, in Toulouse, France; th...North America Hit Hard By Asteroid Strike In Yucatan 65 Million Years Ago
...in North America. The study suggests one rationale for the dire consequences of such animpact: The severi...the flora of central North America.Ferns accounted for 70 to 100 percent of the spore- or pollen-producing plantsin the region after the impact, compared w...An Equal Opportunity Extinction? Cincinnati Geologists Find Global Impact from Permian Die
...aid Ebersole. "So, they make a very good candidate for studying global trendsinextinction." Ebersole looked for trends in two places. First, he split upthe fossil occurrences according to the geographic region in......he country's rivers and estuaries, scientists have for the first time documented the invasion into U. S. coastal waters of a type of marine microorganism. In a talk to be given on Thursday, Oct. 31, at the annual meeting of the Geological Society of America in Denver, Doris Sloan and Andrew N. Cohen of t...Antarctic Science Season Gears Up With Searches for Meteorites, Neutrinos, and New Life Forms
...he massive ice sheets; and an expedition to search for more meteorites on the continent that yielded ALH8...ght on the possible consequences of global warming for land plants. Drilling an Ice Dome in West Antarctica Fast-flowing ice streams, analogous t...Scientists Identify Retrovirus-Like Components In Corn Genome
...tudy indicates that, in maize, mobile DNA accounts for more than 60 percent of the genome, which is two t...gher organisms apparently don't have a good system for getting rid of DNA once it gets into their genome," Bennetzen says. "In this way, they can replicate...Study Examines How Mechanisms Evolve To Regulate Bee Development
... them to start foraging at a younger age. To test for genetic effects, the researchers created a populat...Department of Agriculture, could lead to new tools for brain research, Robinsonsaid. "Drones offer an interesting genetic model because they are haploid[ha...Scientists Trek to Africa for Biosphere-Atmosphere Chemistry Study
... multiyear project called EXPRESSO, the Experiment for Regional Sources and Sinks of Oxidants. Leaders o... the project are the NSF-supported National Center for Atmospheric Research (NCAR), in Boulder, Colorado; Paul Sabatier University, in Toulouse, France; th......ostmenopausal women born with the slow-acting gene for N-acetyltransferase (NAT2), an enzyme known ... the fast-acting gene. The risk was highest for women who began smoking before the age of 18. The two genotypes are referred to as slow or fast...Animal Studies Indicate Aging Brain Responsive To Estrogen
...liams and GillianEinstein, prepared their findings for presentation Friday (Nov. 15) at theSociety for Neuroscience meeting. Henderson is a medical student at the Duke University Medical Center; William...Medicinal Leech May Offer Clues To Neural Regeneration
...icinal leech, a three-inch-long invertebrate known for its ability to regenerate its neural connections. ...ented Nov. 21 at the annual meeting of the Society for Neuroscience. "Our study shows that NOS in the leech is activated at the site of injury within minut...... Center have teamed up to create a new capability for viewing the brain during mental activity. By link...d Dr. Jonathan Cohen, codirector of the Laboratory for Clinical Cognitive Neuroscience, a joint venture of the University of Pittsburgh and Carnegie Mellon...Impact of Meteorites, Drop in Sea Level Caused Mass Extinctions 65 Million Years Ago
...all. The impact of the asteroid or comet accounts for 50 to 75 percent of the ammonite extinctions, whic...ast 10,000 years before the comet struck, accounts for between zero and 25 percent of the extinctions. In addition, about 25 percent of the extinctions we...