August 14, 2007 | ![]() |
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Clones On Task Serve Greater Good Evolutionary![]() "Don't ever change" isn't just a romantic platitude. It's a solid evolutionary strategy. At least if you're among the creatures that produce scads of genetically identical offspring - like microbes, plants or water fleas. These creatures provide a chance to wonder about the clones raised in near-identical environments that turn out differently than their kin. In this week's Proceedings of ... more Bursts Of Waves Drive Immune System Soldiers Toward Invaders ![]() Scientists have discovered that torrents of microscopic waves propel white blood cells toward invading microbes. The discovery - recorded on videotape -- holds the potential for better understanding and treatment of cancer and heart disease. Visible only under a very high-resolution light microscope, the dynamic waves are made of a signaling protein that directs cell movement. This protein and a ... more Change On The Range ![]() In the Southwestern U.S., land managers face equally critical and difficult decisions when it comes to their ranges. The region is known for its climate variability which has strong influences and impacts on range conditions. Access to the latest climate and range science information is vital for managers to make effective short and long-term decisions. An experiential learning exercise was held ... more Villagers return home to ruins in flood-hit SAsia ![]() Villagers returned home to ruins as flood waters continued to recede on Monday but the toll from the annual monsoon flooding across South Asia rose to 2,300, officials said. Tens of thousands are still housed in shelters while millions more are dependent on food and medical aid but displaced people began heading home in India and Bangladesh, at least to check out what remains of their homes. ... more Radar reveals vast medieval Cambodian city: study ![]() Archaeologists using radar imagery have shown that an ancient Cambodian settlement centered on the celebrated temple of Angkor Wat was far more extensive than previously thought, a study released Monday said. The medieval settlement surrounding Angkor, the one-time capital of the illustrious Khmer empire which flourished between the ninth and 14th centuries, covered a 3,000 square kilometer ... more |
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![]() ![]() Flash floods and landslides triggered by heavy rains killed at least 10 people in northern Pakistan, officials said Monday. Several mudbrick houses and shops were also destroyed as torrential rains and lightning lashed Rah Nolia town in Kohistan district late Sunday, local police officer Mohammad Waziri said. "So far we have recovered 10 bodies, including five men, one woman and four chi ... more Unlocking The Hydro Potential Of Tajikistan ![]() Since 1991, the world has been in a mad dash for the energy resources of the Caspian, leaving out the resource-poor mountainous eastern nation Tajikistan. Sixteen years after the collapse of communism, the former Soviet republic may have the last laugh, as it sits atop immense water resources, which if properly utilized will allow it to generate surplus energy for export and negotiate lucrative ... more World's largest nuke plant closed for months ![]() UN inspectors said Friday that the world's largest nuclear plant in Japan will be closed for months, weeks after being hit by an earthquake. A mission from the UN nuclear watchdog, the International Atomic Energy Agency (IAEA), spent four days inspecting the Kashiwazaki-Kariwa plant. The giant facility northwest of Tokyo caught fire and leaked a small amount of radiation following a powe ... more Indian PM defends controversial US nuclear deal ![]() Indian Prime Minister Manmohan Singh on Monday defended a controversial civilian nuclear accord with the United States, saying it would not affect the nation's military programme or any plans to test atomic weapons. The accord, which covers civil nuclear technology and seeks to bring India into the loop of global atomic commerce after a gap of three decades, was rejected almost immediately b ... more US congressman's response to Indian PM on nuclear deal ![]() A veteran congressman on Monday branded a landmark US civilian nuclear deal with India as a "capitulation" to New Delhi and demanded details on Indian ties with Iran. Representative Ed Markey released a statement following Indian Prime Minister Manmohan Singh's defense of the accord in a speech to parliament. "The Bush administration claims it is seeking nuclear cooperation, but in reali ... more |
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![]() ![]() Although a recent deal to transport Iranian natural gas to Europe through Turkey could undermine U.S efforts to isolate Iran's oil and gas economy, it may also provide an attractive alternative to European reliance on Russian supplies. In mid-July, Ankara and Tehran signed a memorandum of understanding that would allow the transport of natural gas from Iran and Turkmenistan to Europe, t ... more Humans not proven to cause global warming: Australian MPs ![]() Scientists have yet to prove that human activity causes global warming, a point other planets in the solar system may exemplify, a group of Australian legislators said Monday. Warming was a recurring natural phenomenon and had been observed on other planets, including Mars, Jupiter, Pluto and Neptune, the four backbenchers said in a dissenting chapter in a parliamentary report related to cli ... more Three-Tonne Meteorite Stolen In Russia ![]() Russian police were combing the northern Siberian city of Krasnoyarsk on Friday for a three-tonne meteorite that has disappeared from under the nose of its keepers. The giant rock was stolen from the yard of the Tunguska Space Event foundation, whose director said it was the part of meteor that caused a massive explosion in Siberia in 1908, news agency Interfax reported. "It winds up tha ... more Libya stalling on disposal of uranium: report ![]() Libya is stalling on a 2003 pledge to dispose of its uranium, with nearly 200 barrels of the material still in its hands, The Daily Telegraph reported on Monday. Citing unnamed sources close to the situation, the newspaper said that the uranium is in the form of yellow cake ore and is being stored at a military base in the town of Sabha. It is worth about 200 million pounds (295 million ... more Is The Shanghai Cooperation Organization The New Warsaw Treaty Group ![]() The Shanghai Cooperation Organization is holding joint military exercises this week in Russia, with all six member nations participating for the first time. However, judging from the number of soldiers taking part, the significance of the maneuvers is more symbolic than practical. Less than 4,000 troops are involved in the drills dubbed Peace Mission 2007: 1,600 from China, 2,000 from Russia, 10 ... more
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