Introduced foxes transformed vegetation on Aleutian Islands from lush grasslands to tundra
...sive surveys on the islands for several weeks each summer over three years. They surveyed dozens of islands from one end of the archipelago to the other. Estes said the differences were striking between fox-free islands and fox-infested islands (defined as those where self-sustaining populations of foxes pe...South America's vast pantanal wetland may become next everglades, UNU experts warn
...grounds for a large number of migratory birds that summer in North America. According to an analysis by UNU-PREP and the Japan-based UNU Institute for Advanced Studies: "While large parts of the Pantanal have remained pristine, today the ecosystem is under unprecedented pressure from economic development, ...Falling ants glide back to trunk to avoid dangers of forest floor
...s' gliding behavior. They met up with Kaspari last summer in Panama for a week to videotape the same species of ant in freefall, with a white sheet standing in for the tree trunk. Yanoviak's earlier observations combined with the videotaped tests in Panama established that the ants basically reorient their...Dead zone area in Gulf could be increasing, researchers say
...e area typically develops in late spring and early summer following the spring flood stage of the rivers, which bring large amounts of nutrients ?often in the form of fertilizer ?into the Gulf of Mexico. The Mississippi is the largest river in the United States, draining 40 percent of the land area of the ...No relief for Pacific Northwest drought
...pear there will be any major relief this spring or summer from the unusually dry weather that has recently h...t consensus forecast for fire risk this spring and summer indicate huge forest and rangeland fire outbreaks in northeastern Oregon and southeastern Washington...Survey finds silver contamination in North Pacific waters
...r, collected the samples on a 35-day cruise in the summer of 2002 as part of the Global Investigation of Pollution in the Marine Environment (GIPME), a program of the UNESCO Intergovernmental Oceanographic Commission. Ranville and Flegal reported their findings in the March 9 issue of Geochemistry, Geophysi...NASA study finds snow melt causes large ocean plant blooms
...t soil. As a result the land mass heats up more in summer creating a larger temperature difference between the water of the Arabian Sea and the Indian subcontinent landmass. The temperature difference is responsible for a disparity in pressure over land and sea, creating a low pressure system over the Indi...Habitat use by North Pacific right whales, Eubalaena japonica, in the Bering Sea and Gulf of Alaska
...on of North Pacific right whales, found during the summer in Alaska waters, is one of the most critically endangered whale populations in the world. Commercial whaling in the 1800s has now left us with only a few dozens. Recently these whales have been recognized as a different species from right whales see...Grizzlies set to invade high Arctic?
...izzled) hair on the rest of the body. Then in the summer of 2004, Dr. England's research group found physical proof that a grizzly bear was indeed calling Melville Island home. Near a cabin used by researchers for temporary stop-overs, they found grizzly bear paw prints in the mud. And from the cabin's out...Oceans more vulnerable to agricultural runoff than previously thought, study finds
...res can survive. A massive dead zone appears every summer in the Gulf of Mexico off the coast of Louisiana and Texas. Scientists believe that agricultural runoff from the Mississippi River plays a pivotal role in creating this annual dead zone, which measured 8,500 square miles (22,000 square kilometers) in...Census of Marine Life explorers surprised by diversity, density of Arctic creatures
...thanks to a landmark voyage during the brief polar summer aboard an American ice cutter. News of the marine discoveries in the far north coincides with announcement of seed funds for a matching effort in the Antarctic. The 30-day "Hidden Ocean" expedition (http://www.oceanexplorer.noaa.gov), funded and co......around the world, who return here faithfully every summer to study the squid and other marine organisms. Se... in more than a dozen countries make the MBL their summer research headquarters each year. U.S. and foreign students seeking intense, specialized science cou...Compound might defeat African sleeping sickness, clinical trial beginning this month
...s. Scientists are launching a Phase III trial this summer involving for the first time hundreds of patients who will be treated with the drug. The Bill & Melinda Gates Foundation is supporting the work, which is being led by Dr. Richard R. Tidwell, professor of pathology and laboratory medicine at the ...Carnegie Mellon University research reveals how cells process large genes
...e remaining exons. The findings are published this summer in Genetics. This process, which the investigators discovered in the fruit fly Drosophila, has been conserved over tens of millions of years of insect evolution and also appears likely to occur in humans, according to the investigators. "While some...Reversal of role for a viral protein associated with the development of lymphoma
...e remaining exons. The findings are published this summer in Genetics. This process, which the investigators discovered in the fruit fly Drosophila, has been conserved over tens of millions of years of insect evolution and also appears likely to occur in humans, according to the investigators. "While some...Monkeypox mystery: New research may explain why 2003 outbreak in the US wasn't deadly
...cases of monkeypox in the United States during the summer of 2003 didn't produce a single fatality, even though the disease usually kills 10 percent of those infected. Why did none of the patients die? New research from Saint Louis University Health Sciences Center and several partner institutions may prov...Study shows eutrophic lakes may not recover for a millennium
... Lake Mendota has a certain smell about it on some summer days now," Carpenter explains, "but we're going to smell a lot more of that." Steps that can be taken immediately, Carpenter says, include eliminating the importation of chemical phosphorus to watersheds and limiting feed for cattle and other farm a...Duke Experiments Boost Radiation's Cancer-Killing Effects
...t as putting on a coat and gloves in the middle of summer would yield no benefit and could actually cause harm, blocking HIF-1 at the wrong time and place produces no benefit," said Moeller. "But blocking HIF-1 in the right environment can dramatically inhibit the growth of new blood vessels that feed the t......t as putting on a coat and gloves in the middle of summer would yield no benefit and could actually cause harm, blocking HIF-1 at the wrong time and place produces no benefit," said Moeller. "But blocking HIF-1 in the right environment can dramatically inhibit the growth of new blood vessels that feed the t...