单词：Raynaud's phenomena
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By Lisa McAdams Moscow 28 February 2006 The Kremlin's hand-picked prime minister of Chechnya has submitted his resignation, clearing the way for a possible replacement by acting prime minister, and lo
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KELLY MCEVERS, HOST: The Arctic is a huge icy cap on the planet, and it acts like a global air conditioner. But the air conditioner is breaking down. Today, scientists issued a grim report card on the Arctic. They say the pole continues to warm at an
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Pareto's Principle - The 80-20 Rule How the 80/20 rule can help you be more effective. In 1906, Italian economist Vilfredo Pareto created a mathematical formula to describe the unequal distribution of
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The loss of the magnetic field has a catastrophic impact on the planet's evolution. Mars becomes the red planet we see today. If earths magnetic protection continues to fade, would it suffer the same fate? If it vanishes completely, the planet might
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