单词:Galloway tubes
单词:Galloway tubes 相关文章
This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Asbestos increases the risk for certain cancers. The fibers are thought to do so by skewering cells, setting off chemical reactions that lead to inflammation,
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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene
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One of the places we stayed this summer was Whithorn, Scotland, where my father lives. It is one of many picturesque towns in Galloway. Whithorn happens to be very famous; it is considered possibly Scotland's first town. It is the starting point of C