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Fur seals also feed out in the open ocean, but they are able to dive to a hundred meters or more. The patchiness of the krill requires those that live on it to spend a great deal of time searching. An
美联社,新闻一分钟,federal,hospital,Katrina,1:The Federal Base-closing Commission agrees to close Walter Reed Medical Center, crown jewel of the US Army's hospital system. 2:Tropical storm Katrina strengthens on its way toward Florida's heavily
BP oil company has announced its first major success in containing a massive oil leak in the Gulf of Mexico. Engineers inserted a metal tube into a broken pipe on the sea floor, to siphon oil into a ship on the surface. BP engineers implemented the f
Doctors Achieve Milestone Using Artificial Heart With No Beat In March, two doctors at the Texas Heart Institute in Houston achieved what medical experts call a major milestone by implanting a continuous-flow artificial heart in a human patient. The
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You Gotta Have Hearts 你必须得有的心脏 When it comes to weird sea-creatures, octopus es are hard to beat. Theres the well-known ink-squirting defense system, the bird-like beak , and the eight tentacle s with their double rows of sucker s . W