单词：endurance limit at pulsating stress
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This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Tricky cyclists in the Tour de France sometimes cheat by upping their red blood cell count for those tough stretches through the Alps. But researchers at Calif
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Flight control is Brazilian. 飞行管制是巴西人发明的。 So we went together with these guys and we basically put this exoskeleton together, 那么我们和这些患者一起我们把骨骼机器人组装好， 15 degrees of freedom, hydraul
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Declassify US government documents and witness testimony from former or retired US military personnel confirm beyong any doubt the reality of ongoing UFO incursions at nuclear weapon sites. When I say UFO, the witnesses have described this craft as d
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The other day my 3-year old God son and I were pillow fighting when he sat down, panting, and said with surprise, I can feel my heart beating! Sometimes it takes little kids to remind us just how amazing our bodies are. Scientists believe that an are
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We're going to go on a dive to the deep sea, 好了，我们即将潜入海底深处。 and anyone that's had that lovely opportunity knows that for about two and half hours on the way down, 任何一个有过这种美妙机会的人都知道，在这两
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Russia's Kamchatka Peninsula is known for its volcanic and seismic activity, but not since the 1960s has a new geyser appeared here. A ranger in the Kronotsky Nature Reserve was the first to see the column of boiling liquid last month. Another observ
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ROME, Jan. 9 (Xinhua) -- Zlatan Ibrahimovic scored deep into injury time(伤停补时) to secure Serie A leaders AC Milan a thrilling 4-4 draw with Udinese at home on Sunday. Inter managed to make up their lost ground under newly- appointed coach Leo
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Aiste: Hello, Christophe. What are you doing this afternoon? Christophe: Hi, Aiste. I think I'm going to run this afternoon. Aiste: To run? But it's raining outside. Christophe: I don't care. I love running in the rain, and I have to run because I am
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Inter beat Catania to maintain pressure on Juventus ROME, Oct. 21 (Xinhua) -- Inter beat Catania 2-0 at home on Sunday to keep in touch with Italian Serie A pacesetters Juventus. Inter went ahead in the 28th minute when Antonio Cassano converted from
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Todd: Hey, Shawn you're a big guy. Shawn: Thank you. Todd: Do you play rugby? Shawn: I did in the past. Todd: OK, how does rugby work? Shawn: It's a bit like American football and soccer put together. It's, the ball's about the size of an American fo
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The World Health Organization is calling for urgent action to make sure all people reach old age in the best possible health. To mark this years World Health Day, WHO says good health is essential for maintaining a good quality of life as people get
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