Molecular Mechanism For Evolution Described
...but can reveal them during times ofstress, such as climate change. All organisms make heat shock proteins, al...rd during times whenthe earth was undergoing major climate changes. "The way that Hsp 90 covers and uncovers hidden genetic variations providesa very plausible...Fall Meeting: Updated Press Conference Schedule
...environmental stewardship. Through its weather and climate services, NOAA plays a key role in protecting life...ods Hole, Mass. *3:00 PM: Influence of land use on climate change Relates to Sessions H31E, H32C Recent research has demonstrated that landscape changes and ve...AAAS Announces The Winners Of Its Science Journalism Awards
...lear explanation of scientificconcepts involved in climate change research and a vivid portrayal of scientificresearch under extremely difficult circumstances. In the radio category, David Baron won for "Montserrat Volcano Science," whichwas aired on September 8, 1997, on National Public Radio. Baron is hono...Oldest Ice Core From The Tropics Recovered, New Ice Age Evidence
... painting a vividpicture of climate conditions in the tropics over the past 25,000year...he research teamdescribes a climate in the tropics that was different from what many researchers have thought. Th...NCAR Team Tags 'Imported' Pollutants Over The Pacific Northwest
...at sulfate aerosols are playing a major rolein the climate system," says Kiehl. The ability of these aerosols...use gases have not warmed the earth asmuch as some climate models have predicted. Sulfates also contribute tolocal pollution and acid rain. "One important way ...Old Growth Forests May Shed Light On Worldwide Greenhouse Effect
...earchers are studyingecosystem responses to global climate change in old growth forests in an attemptto find ...oxide, which, inhigh concentrations affects global climate change. Old-growth forests representone plant community type which has not been well researched for......land subsidence, or if it is related to a changing climate and ocean volume, and whether or not human activities account for some part of the changes. The USGS role in sea-level research is national in scope and ranges from remote sensing and geologic mapping of wetlands to studies of coastal erosion and evi...Study Associates Asteroid Or Comet Impact With Extinctions In Argentina
... damage and extinctions and may have triggered a climate change. El Niñoor a volcanic eruption produces small tweaks to the climate compared to whatone of these impacts can do." The cyclical cooling of the Earth's temperatures...Science Announces Top Ten Research Advances Of 1998
...gap materials and devices, aging, millennial-scale climate change, carbonsinks and the global carbon budget, bioterrorism, and allergies. The editorsalso score themselves on how well last year's predictions fared. This year's annual "Breakthrough of the Year" section is the tenth since Scienceinaugurated th...Fossil Eggshells Hold Clues To Major Animal Extinctions As Reported In Science
... decades-old debate as towhether human activity or climate change was behind the extinction events thatrocked...ce yet available. This was also a time of moderate climate change, making it unlikely that climateplayed a role in Genyornis ' extinction. The authors bolster......(LTER) station, the ecologists drew on 23 years of climate andvegetation data that suggest a warming trend th...emperature data are localized, they support global climate changestudies that suggest an overall warming. A key factor is an increase innighttime cloud cover t...Rare Fossil Shows Theropod Dinosaurs Are Fast, Dangerous 'Turbocharged' Reptiles
...he world had during the age ofdinosaurs. When the climate turned colder or more seasonal variation developed,what had once been the advantage of the dinosaurs became their problem." Adds Geist, "A lot of people who only see cold-blooded reptiles movingslowly in temperate zones have no concept of wha...Rare Fossil Shows Dinosaurs As Fast, Dangerous
...the world had duringthe age of dinosaurs. When the climate turned colder or more seasonal variationdeveloped, what had once been the advantage of the dinosaurs became theirproblem." The lungs and other structures found in this dinosaur fossil bearslittle similarity to that of modern birds, the resear...Global Climate Change Model Predicts Changes In U.S. Ecosystems
...f the world and can determine the impact of global climate change. Dr. Neilson's model, the mapped-atmosphere-plant-soil system (MAPSS) isone of six in the high-visibility vegetation ecosystem modeling analysis project (VEMAP) and is affecting national policy considerations on global warming, includ...Largest Acoustics Meeting In History Expected
...d noise in the Arctic Ocean provide indications of climate change? These questions are all explored in the sc...drastically alter the world's climate. To measure climate variability and look for signs of global warming in this part of the world, a Norway-UK-Germany-Russ...New Edition Of Ecological Monographs Is Now Available
...e increasing levels of stress influenced by global climate change. Butresearchers warn that this insurance may only be effective in large stands; smaller groups of trees may not contain the same characteristics and may bemore vulnerable to floods. Exotic Plant Species Invade Hot Spots of Native Plant Di...Mojave Desert Is Subject Of Las Vegas Science Meeting
...clude changing landforms, soil crusts, global climate change, desert tortoise research and monitoring, bighorn sheep and burros, special-status plants, Mojave vegetation map project, military research, urban effects and pollution, livestock grazing, subsidized predators, desert fishes, ......he most pressing questions for understandingglobal climate change. To help find the answer, the National Cent...use gases have not warmed the earth asmuch as some climate models have predicted. Sulfates also contribute tolocal pollution and acid rain. Kiehl helped design...Aldo Leopold Leadership Program Selects First Cohort
...ases, fisheries, agriculture, contaminants, global climate change,and endangered species. Training sessions will include five modules: "ProvidingLeadership within the Scientific Community", "Providing Scientific Input to thePolicy Process", "Communicating with the Media", "Interacting with the Businessand C...Tip Sheet: Papers Of Interest, 95th Annual Meeting, Association Of American Geographers
...lore the possible relationship betweenENSO-related climate events and human health, Dr. Nancy D. Lewis, a geo...4.The goal of the research is to determine whether climate forecast informationcan be used to ameliorate public health risks. The geographers also collectedhea...