Former Washington University professor Gerty Cori is one of four American scientists honored by the U.S. Postal Service this year with a set of postage stamps.
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Former Washington University professor Gerty Cori is one of four American scientists honored by the U.S. Postal Service this year with a set of postage stamps.
More: continued here
Japan to introduce forgery-proof revenue stampsNHK WORLDJapan's National Tax Agency will introduce anti-counterfeit revenue stamps …