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史上最强天然纤维Silk is the strongest natural fiber in the world, as far as we know. Scientists long to understand just how exactly the silkworm manages the process of silk weaving, so they can r...
科学60秒:逃离
Sea lampreys leave as the invasive species chomps through the Great Lakes. Attempts to manage them have relied in part on pheromones that attract the animals. After being trapped, they’re eithe...
Doing the Right Thing Can Help You Succeed
VOADoing the right thing can help individuals and institutions succeed. But knowing what that right thing is, is not easy. In "Practical Wisdom: The Right Way to Do the Right Thing," authors Bar...
人生并非总是阳光明媚 朗费罗
诗歌It Is Not Always May by Henry Wadsworth Longfellow The sun is bright, - the air is clear, The darting swallows soar and sing. And from the stately elms I hear The bluebird prophesying Sp...