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POPSPena de muerte Comentarios de lectores de lanacion.com sobre la ejecución del "francotirador de Washington". El asesino serial John Allen Muhammad, de 48 años, recibió anoche una inyección letal, en el penal de Greensville, a pocos kilómetros de la Casa Blanca.
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POPSStone Age Humans Crossed Sahara in the Rain Wet spells While about 40 per cent of hydrocarbons in today's dust come from water-dependent plants, this rose to 60 per cent, first between 120,000 and 110,000 ago and again from 50,000 to 45,000 years ago. So the region seemed to be in the grip of unusually wet spells at the time. That may have been enough to allow sub-Saharan Stone Age Homo sapiens to migrate north: the first fossils of modern humans outside Africa date from 93,000 year ago in Israel. And both genetic analysis and archaeology show that humans didn't spread extensively beyond Africa until 50,000 years ago, suggesting a second migration at the time of the second wet spell. Fossil record Ian Tattersall of the American Museum of Natural History in New York is impressed by the findings. "They tie in approximately with the information we have from the fossil record."
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POPSUSA Prepares to Attack Russia in 3 or 4 Years? “I would also like to pay your attention to the fact that the US Military Academy at West Point has recently launched extensive courses to study the Russian culture and language. They started teaching the Iraqi culture and the Arab language three years before invading Iraq.
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POPSPlaya del Carmen Weddings by condohotelsplayadelcarmen.com Playa del Carmen, 26, 2009. While many couples are looking to cut down the costs of their weddings, nobody would want to give away the magic of this special day. Playa del Carmen weddings are a perfect choice for those who value romance, warm weather, lush tropical vegetation, gentle Caribbean sea breezes and romantic sunsets on a white sand beach, no matter what is the size of your wallet or your idea for the perfect ceremony.
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POPSGreat White Sharks Have Their Own Cafe
"Over an eight year period, nearly 100 sharks were electronically tagged, and even more had tissue samples taken by scientists working from a ship. Not only do the sharks consistently migrate along the same paths, they stick to a schedule too. Between August and December, the Great Whites -- which can grow up to six metres (20 feet) and three tonnes -- stalk waters off the coast of central and northern California, feasting on seals and sea lions. Their preferred hunting grounds in this area are known as the "red triangle", notes the study, published in the British journal Proceedings of the Royal Society B. Starting in January, they head for the deep blue around Hawaii some 4,000 kilometers (2,500 miles) to the west, where they are found in largest numbers between April and July. But some -- especially males -- loiter at a halfway point known as the "White Shark Cafe", with females coming and going for what scientists presume is a bit of shark intimacy. The new findi
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POPSGreat Whites Hang Out in 'Shark Cafe' It had long been assumed shark species at the top of the ocean food chain that roam the high seas looking for food and mates did so almost randomly. But using satellite tagging, acoustic monitoring of shark "hot spots" and genetic samples, a research team led by Professor Barbara Block of Stanford University found to their surprise that the eastern Pacific's great whites are real homebodies. Over an eight year period, nearly 100 sharks were electronically tagged, and even more had tissue samples taken by scientists working from a ship. Sticking to a schedule They found that the sharks consistently migrate along the same paths and stick to a schedule. Between August and December, the great whites, which can grow up to six metres and weigh three tonnes, stalk waters off the coast of central and northern California, feasting on seals and sea lions. Their preferred hunting grounds in this area are known as the "red triangle", notes the study.
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POPSBoats News,information, prices and consumer reports on boats of all sizes. From Kayaks to fishing boats and jet ski, from wakeboard boats to sailboats and yachts.
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POPSGiant Crack in Africa Will Create a New Ocean The thinking is that the Red Sea will eventually pour into the new sea in a million years or so. The new ocean would connect to the Red Sea and the Gulf of Aden, an arm of the Arabian Sea between Yemen on the Arabian Peninsula and Somalia in eastern Africa.
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POPSGIANT crack in Africa will create a new ocean
"We know that seafloor ridges are created by a similar intrusion of magma into a rift, but we never knew that a huge length of the ridge could break open at once like this," said Cindy Ebinger, professor of earth and environmental sciences at the University of Rochester and co-author of the study. The result shows that highly active volcanic boundaries along the edges of tectonic ocean plates may suddenly break apart in large sections, instead of in bits, as the leading theory held. And such sudden large-scale events on land pose a much more serious hazard to populations living near the rift than would several smaller events, Ebinger said. "The whole point of this study is to learn whether what is happening in Ethiopia is like what is happening at the bottom of the ocean where it's almost impossible for us to go," says Ebinger. "We knew that if we could establish that, then Ethiopia would essentially be a unique and superb ocean-ridge laboratory for us. Because of the unprecedent
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