Climate change could doom Alaska's tundra
... now, the average annual temperature in Alaska may soar up to 13 degrees Fahrenheit higher in the worst case scenario predicted by climate models.Tundra is a cold, comparatively dry ecosystem that now covers much of Alaska, characterized by the permanently frozen deep soil layers called permafrost, few or...Brain signal predicts working memory prowess
...to accurately remember them, while it continued to soar in those with higher capacity, report University of Oregon psychologist Edward Vogel, Ph.D., and graduate student Maro Machizawa, in the April 15, 2004 Nature. Analogous to a computer's RAM, working memory is the ever-changing content of our conscio...New technologies reveal mysteries of marine megafauna
...t race faster than most boats? Or albatrosses that soar halfway across the Pacific without sleep or a meal -- unlike their human observers? Science is beginning to make all this possible with a series of leaps in tagging technologies. High tech tools such as small data storage tags equipped with micro-pro...AAAS Science Project/Unisys prize encourages student-led scientific inquiry on flight to soar
... Orlando, Florida, schoolchildren will literally soar over Disney World in a small aircraft as part of their studies into flight mechanics and the future of flight; and Students from Chicago's Young Women's Leadership Charter School will produce a mini-documentary on the city's birds and endangered we...Famous coral reefs damaged due to global warming will take a century to recover, says new research.
...1998 global warming caused the sea temperatures to soar to incredibly high levels and in some areas of the ocean there were sustained temperatures of 33-34 degrees centigrade - in previous years temperatures averaged at 28 degrees. "This caused the corals to die, and damage like this can only be rectifi...Using hard science to protect fragile seas
...ons, while flocks of brown pelicans and kittiwakes soar overhead. ``Last week I saw two humpback whales swimming right out there,`` she says, pointing toward a white buoy a few hundred yards offshore. Despite this idyllic scene, Micheli knows that the only way to evaluate the true health of Monterey Bay i...World land database charts a troubling course
... worsen, he says, as world population continues to soar and the per capita consumption of goods and services derived from the natural resource base also continues to grow. Moreover, in some parts of the world intensive agriculture is exhausting the land, permanently removing acreage from production and ......ng takeoffs and landings or if there is no wind to soar on, the energy costs are high. The fact that 11 of the 14 albatross species occur in the Southern Hemisphere has been attributed to the consistently strong winds in the far southern latitudes, where the prevailing westerlies are largely unobstructed ...Purdue joins Midwest effort to create biobased products
...AFAYETTE, Ind. -- As this summer's gasoline prices soar skyward, Purdue University has joined with five other institutions to help the United States free itself from dependence on petroleum-based products. The Midwest Consortium for Sustainable Biobased Products and Bioenergy was created to combine resear...L.A.Times Book Prize Finalist: Book On Evolution Of Bird Flight
...eated debate about how birds evolved theability to soar above the ground. Scientific interpretation is complicated bythe almost iconic status of the beautiful fossil, which has come to representthe evolutionary process itself. Included in the story are some fundamentalquestions: How do birds fly? Did b...Book By Shipman Wins Phi Beta Kappa Award In Science
...eated debate about how birds evolved theability to soar above the ground. Scientific interpretation is complicated bythe almost iconic status of the beautiful fossil, which has come to representthe evolutionary process itself. Included in the story are some fundamentalquestions: How do birds fly? Did b......owing that human activityhas caused lead levels to soar above what they once were naturally, and that thisactivity began as far back as 6,000 years ago. William Shotyk, of the Universityof Berne, and his colleagues analyzed changing levels and sources of lead in theatmosphere over the last 14,000 years by...Fruit-Eating Birds Discovered Crucial To Rainforest Survival
...d wingspans of up to four feet,hornbills commonly soar across gaps in the forest in search of ripe fruit. Thestudy found that three hornbill species feed on about a quarter of all trees inthe rainforest -- 59 species in all. "Monkeys and elephants aren't as good at moving across gaps in the fo......riods under ablazing midday sun, when temperatures soar to 131 degrees F. Then, Frenchresearchers reported spotting a Pompeii worm in water nearly twice as hot(221°F/105°C). But, Cary says, that exposure was fleeting, and the worm wasoutside its natural environment--the long, hot tubes it calls ho...New understanding of crab populations may not bring fishermen's delight
... Helsinki, Finland. Population sizes can dive and soar dramatically, sometimes without apparentcause. Trying to figure out what drives the big swings is a question thathas taunted researchers for years. In fact, one of the most important andfiercest debates in population biology swirls around whether pop...