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'E' is for Apollo: 'STEM Education' stamps use spacecraft to illustrate engineering
collectSPACE.com NASA's Apollo spacecraft symbolizes the "E" in "STEM" on a set of four new U.S. postage stamps. The U.S. Postal Service (USPS) on Friday (April 6) issued its new "STEM Education" Forever stamps, celebrating the role of science, technology, engineering … |
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