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* earthen reservoir A reservoir constructed in earth using excavated materials to form embankments. ...iquid copper water treatment product used as algicide/bactericide by Earth Science Laboratories, Inc.

...iencedaily">[http://www.sciencedaily.com/releases/2010/03/100314150916.htm Science Daily (March 2010) - "Unlocking the Opium Poppy's Biggest Secret: Genes Tha ...se National Stockpile Center|US National Stockpile of Strategic & Critical Materials]] was tapped in order to ease severe shortages of medicinal opiates — the

...ence|volume = 74|issue = 1919| pages = 371–372|pmid = 17810781|doi=10.1126/science.74.1919.371}}</ref>. عام 1949 قام كل من [[جون إندرز]] و[

| title =AIDS: science and society | chapterurl = ...983 | pages=868–871 | volume=220 | issue=4599 | pmid=6189183 | doi=10.1126/science.6189183 | format=