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Marine biologists have discovered a vibrant community of ecologically important microbes living at the bottom stanley thermos of the 7 mile 11 km Mariana Trench 鈥?the deepest part of the Earth surface. Back in stanley website 2010, scientists sent an unmanned submersible to an area in the trench known as the Challenger Deep. It scooped up some muddy sediment and brought it back to the surface for further analysis. The biologists weren ;t sure about how much life they were going to find, thinking that the conditions were likely too severe. Water pressure at those depths are thousands of times greater than at sea level. But not only did they find life, they found plenty of it. And in fact, the scientists found so much deep sea bacteria that they now suspect it plays a key role in the carbon cycle and the regulation of the planet climate. The Independent reports: These microbes may in fact be the ones that are the closest to the centre of the Earth, the deepest living organisms that we have seen. They are probably the deepest observed community of microbes below sea level, said Professor Ronnie Glud of the University of Southern Denmark. We expected to see microbes ther stanley shop e but we didnt expect them to flourish and to be so efficient. What is really surprising is that we have seen bacteria that operate so efficiently at these depths, Professor Glud said. The microbes are feeding off the constant stream of organic matter that sinks to the seabed in the Pacific Ocean. In doing so, the Cuxh The Stoner Channel: Captain Picard Does Hamlet, High Times Picks a Winner, and Quick Cure Builds a Better Bud Rack
For years, mothers wanting to screen for genetic abnormalities in their unborn children have had few options, the most common being an invasive procedure known as amniocentesis, which requires the mother womb to be tapped with a needle. That test is very accurate, but also carries with it a small risk of miscarriage. Now, a new, non-invasive genetic screening technique promises to make prenatal testing easier and safer 鈥?but it raises a number of important ethical questions. The new genetic screen is called MaterniT21, and it a Down sy stanley sverige ndrome test marketed by a company called Sequenom. Unlike amniocentesis, the MaterniT21 test can be performed with just a small sample of the mother blood, no womb-jabbing necessary. While non-invasive screening methods, which can estimate the chance that a woman is carrying a child with Down syndrome, do exist, MaterniT21 is the first to offer the accuracy of a test based on genetic analysis; and as of October 17th, the test is available to physicians up stanley mug on request in 20 major metropolitan areas across the US. So why is this a big deal Well, if reviews like this stanley taza one written by Hank Greely, who chairs the steering committee for the Stanford Center for Biomedical Ethics are to be believed, MaterniT21 is just the first drop in what could soon swell into a flood of fetal gene screening, as similar non-invasive genetic analyses are developed for detecting a variety of other conditions. There |
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