Climate change impacts stream life
...climate-change signal over the last 25 years, with temperatures warming faster than could be explained by background variations. An ecological response to warming has also been clear." The study predicts that at the present rate the springtime abundance of macroinvertebrates in streams could decline by as mu...J&JPRD discovery may lead to new treatments for chronic sensitivity, pain caused by cold
... thermo-TRP family of ion channels that respond to temperatures ranging from noxious heat to noxious cold. Many scientists think that modulating the signals carried through such channels represents an important strategy for designing drugs to treat a host of conditions, including pain. "We have a long histor...Drought limits tropical plant distributions, scientists at the Smithsonian report
...p images of verdant, evergreen landscapes. Whereas temperatures may be relatively constant in the tropics, rainfall and water availability often vary dramatically across small distances. "The Isthmus of Panama is the ideal place to test the idea that the distribution of plant species is influenced by their abili...Scripps research team sheds light on long-sought cold sensation gene
...old temperature unpleasant, reliably avoiding cold temperatures in favor of warmer areas. "Its pretty amazing that one gene could impact thermal sensation this much," says Ajay Dhaka, a Scripps Research postdoctoral fellow in the Patapoutian lab and lead author on the Neuron paper. "It really highlights the im...Fish growth changes enhanced by climate change
...s specialist skills in analysing otoliths. Water temperatures have been obtained from a 60-year-long record at M... shallow and deep-water species suggest that water temperatures have been a primary factor in determining juvenile growth rates in the species examined Banded morw...Satellites shed light on global warming
...oceans, increasing the ocean temperature. Average temperatures in the Antarctic Peninsula have risen over the las...know of measuring the precise rate at which global temperatures are increasing and improves the accuracy of our climate change models and weather forecasts. "The...Volcanic eruptions, ancient global warming linked
...a period of global warming that raised sea surface temperatures by five degrees (Celsius) in the tropics and more than six degrees in the Arctic. The findings were reported in this weeks edition of Science. The study is important, experts say, because it documents the Earths response to the release of large a...Will lemmings fall off climate change cliff?
...areas from arctic foxes in recent decades. Warmer temperatures may have increased the productivity of the red foxes' diverse prey (ground squirrels, birds and lemmings), and improved their ability to survive the tundra winters. Researchers will investigate these possibilities, and track the productivity of foxes...Scientists track impact of Asian dust and pollution on clouds, climate change
... Asia's Gobi Desert. The plumes can alter global temperatures by interacting with large-scale, mid-latitude clou...menon known as global dimming that can affect both temperatures and precipitation. The Gulfstream-V will carry an array of instruments that will enable scientists...New deep-sea hydrothermal vents, life form discovered
...ts are using to probe the vent field, logged water temperatures of 330 degrees Celsius (626 degrees Fahrenheit) at the mouth of one of the vents. Jason II subsequently found a second vent about 100 yards away. Von Damm said that heat-tolerant tubeworms found living on Medusa's chimneys, a type known as alvinell...Mystery of fossilized trees is solved
...of Carbon Dioxide from the atmosphere. This caused temperatures to drop and the planet became very similar to its present-day condition." Dr Berry worked with colleagues from Binghampton University, New York and from New York State Museum, which discovered the two trunk fossils. Their findings are published in ...AGU Journal Highlights -- April 16, 2007
...heastern Bering Sea In the Pacific Ocean, water temperatures in the west cycle between warm and cold phases while eastern waters experience the opposite pattern. Called the Pacific Decadal Oscillation (PDO), the 2030-year cycle is superimposed on global warming and associated northern ice cover reductions. Not...Investigational cancer drug targets critical proteins
...lot of oxidated foods, such as foods fried at high temperatures or stored for a long time more good reasons to relax and eat a well- balanced diet, Dr. Yang says. The MCG researchers are now looking at the relationship between the modified hsp90 and breast cancer metastasis and developing antibodies that targe...New way to catch cancer's spread, rapid 3-D retinal imaging, more at CLEO/QELS 2007
... the laser (which currently must be chilled to low temperatures to radiate sufficiently high levels of THz waves) can potentially enable imaging of thicker objects or even imaging of the reflected THz light, which would be more practical for security applications. In the closer term, however, this approach may en...Plastic with changeable conductivity developed by chemical engineer
...olyaniline can be manufactured in solution at room temperatures and without vacuum chambers. Producing metal-based wires requires special manufacturing conditions in addition to the high cost of the metals. Since Loos laboratory submitted their research to the Journal of Materials Chemistry, they have developed......ivating the heat-shock gene. Testing at a range of temperatures from 15 C to 35 C showed that activation of the he...ther long or short promoters to four hours of high temperatures (35 or 38 C) affected their ability to reproduce. They found that few of the aphids with bacteria be...UAF researchers garner $6.5 million in NSF grants
...he lidar system use echoes from the sky to measure temperatures at different heights, similar to what a weather balloon does, but at much greater elevations. The lidar beams reach 25 to 50 miles high. The studys goal is to better understand the structure of the stratospheric vortex, understand possible connect...Disease can be our ally, not just our enemy, says new book by UCR evolutionary biologist
...for instance. Animals allowed to raise their body temperatures through fever recover more quickly than those given fever-reducing drugs. Children in particular are given fever reducers far more often than necessary. On the other hand, sneezing and sniffling likely helps the organism that causes them to spread,...Natural anti-freeze -- how arthropods survive the cold
... cannot migrate long distances to avoid low winter temperatures so why are they not killed off by the cold? Dr Me...ch their bodies freeze, meaning they can withstand temperatures as low as minus 30C. Within this population there is a clear divide into less- and more-cold hardene......ed at high temperatures. Reduced cooking times and temperatures can help to decrease this potentially harmful chem...amide is formed from asparagine and sugars at high temperatures when they are fried, baked or roasted. Prof. Halford has found that this problem is exacerbated by t...