June 26, 2008 | ![]() |
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African Frogs Can Morph Toes Into Claws![]() Biologists at Harvard University have determined that some African frogs carry concealed weapons: When threatened, these species puncture their own skin with sharp bones in their toes, using the bones as claws capable of wounding predators. The unusual defense mechanism is described by Harvard's David C. Blackburn, James Hanken, and Farish A. Jenkins, Jr., in a forthcoming issue of the jou ... more Tropical storm soaks flood-weary southern China ![]() Tropical storm Fengshen struck China's southeastern coast Wednesday, bringing torrential downpours to a region reeling from heavy rains and deadly flooding since early June. The storm, which also packed high winds, made landfall in Guangdong province early in the morning, closing schools and disrupting air traffic across the region and in neighbouring Macau and Hong Kong, Xinhua news agency ... more Greenland Ice Core Analysis Shows Drastic Climate Change Near End Of Last Ice Age ![]() Information gleaned from a Greenland ice core by an international science team shows that two huge Northern Hemisphere temperature spikes prior to the close of the last ice age some 11,500 years ago were tied to fundamental shifts in atmospheric circulation. The ice core showed the Northern Hemisphere briefly emerged from the last ice age some 14,700 years ago with a 22-degree-Fahrenhei ... more Birds Migrate Earlier, But Some May Be Left Behind As The Climate Warms Rapidly ![]() Many birds are arriving earlier each spring as temperatures warm along the East Coast of the United States. However, the farther those birds journey, the less likely they are to keep pace with the rapidly changing climate. Scientists at Boston University and the Manomet Center for Conservation Sciences analyzed changes in the timing of spring migrations of 32 species of birds along the coa ... more Exploited Fish Make Rapid Comeback In World's Largest No-Take Marine Reserve Network ![]() No-take marine reserves, in which fishing is completely banned, can lead to very rapid comebacks of the fish species most prized by commercial and recreational fisheries, reveals a new study of Australia's Great Barrier Reef published in the June 24th issue of Current Biology, a Cell Press publication. The researchers found in most cases that coral trout-the major targets of commercial and ... more |
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![]() ![]() Japan's national federation of some 200,000 fishermen on Wednesday called for a one-day strike next month to urge the government to take action against soaring fuel costs. The National Federation of Fisheries Cooperative Associations (Zengyoren) said that the work stoppage was scheduled for July 15 to "address the plight of fishermen and seek effective government measures." "The global ... more Whaling commission buys time to resolve thorny issues ![]() The International Whaling Commission agreed Tuesday to put off votes on a Japanese bid to resume commercial whaling and an environmentalist initiative to create a whale reserve in the South Atlantic. The divided, 80-nation IWC bought some time at its week-long annual meeting to see if it can bridge the gap between member states opposed to the hunts and those -- chiefly Iceland, Japan and Nor ... more Volcanic eruptions reshape Arctic ocean floor: study ![]() Recent massive volcanoes have risen from the ocean floor deep under the Arctic ice cap, spewing plumes of fragmented magma into the sea, scientists who filmed the aftermath reported Wednesday. The eruptions -- as big as the one that buried Pompei -- took place in 1999 along the Gakkel Ridge, an underwater mountain chain snaking 1,800 kilometres (1,100 miles) from the northern tip of Greenlan ... more Tropical oceans expose riddle over global-warming equation ![]() A probe into levels of an important greenhouse gas above the tropical Atlantic has challenged assumptions about key sources of global warming, scientists said on Wednesday. Researchers found that natural chemicals in the atmosphere west of equatorial Africa destroyed 50 percent more ozone in that region than expected. This process also reduced concentrations of methane, another powerful ... more Tokyo approves Japan's first greenhouse gas curbs ![]() Tokyo's local government on Wednesday ordered Japan's first mandatory cuts in greenhouse gas emissions and set up a carbon market, moving faster than the national government. Tokyo's metropolitan assembly approved plans to force 1,300 major businesses to cut emissions blamed for global warming by 25 percent by 2020 compared with 2000 levels. The requirements will take effect in 2010 foll ... more |
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![]() ![]() A young mountaineer from Nepal has claimed a major breakthrough in his bid to promote eco-friendly climbing on Mount Everest, with his team reaching extraordinary heights of cleanliness. Expedition leader Dawa Steven Sherpa has made it his mission to clean up the world's highest peak, and at the same revolutionise big mountain climbing by giving out some badly needed toilet training. "No ... more Nuclear test ban data to help in tsunami warning ![]() The body that oversees the Comprehensive Nuclear Test Ban Treaty offered its unique know-how Wednesday to countries thar ring the Pacific Ocean to warn them of killer tsunamis. The Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) said that, by providing fast and reliable seismic and hydro acoustic data, it could help Pacific Rim nations "issue timely and reliable tsunami alerts". ... more Highway plan in Indonesia's Papua threatens forests: NGOs ![]() An Indonesian plan to build a highway through the forests of Papua risks opening the door to massive deforestation in the jungle-clad half-island, environment groups said Wednesday. The 4,500 kilometre (2,796 mile) Trans-Papua highway between the provinces of Papua and West Papua would lead to an explosion in palm oil plantations and allow easy access for illegal loggers, Greenpeace and Pap ... more Florida megadeal aims to restore fabled wetlands, close US Sugar ![]() Florida has reached a tentative 1.75-billion-dollar deal to buy the largest US sugar producer and turn its vast swaths of farmland into reservoirs to protect the fabled Everglades wetlands, US media reported Wednesday. "The plan, described by Governor Charlie Crist as the largest conservation purchase in Florida's history, envisions restoring some of the natural flow of water to the Everglad ... more Deadly clicks: Shaolin Temple sets up eBay-style shop ![]() Between perfecting one-finger handstands and single-handedly fending off 1,000 enemies at once, the residents of China's Shaolin Temple are hawking t-shirts, candles and chopsticks online. The temple in central Henan province, famous as the birthplace of kung fu, has established an eBay-style store selling Shaolin branded merchandise on China's TaoBao auction site. The site is operated b ... more
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