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Từ điển Oxford Advanced Learner 8th
Scientific American
Scientific American [Scientific American] BrE NAmE a US magazine published each month since 1845 about scientific research and discoveries. The articles are written for the non-specialist reader but are more technical than those in a general magazine. The company owning the magazine also has a television series on ↑PBS, called Scientific American Frontiers which is also available on the Internet. It began in 1990 and is presented by the actor Alan Alda.
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