пятница, 3 июня 2011 г.

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The National Academies Press (NAP) publishes authoritative reports issued by The National Academies. Publications address key issues in science, engineering  http://www.jiexiu.gov.cn/user/profile/5008.page
The Exploratorium isn't just a museum, http://www.jiexiu.gov.cn/user/profile/5008.page it's an ongoing exploration of science, art, and human perception--a vast collection of online interactives

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