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ARS Home Office of Communications Images Photos Jan97





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A sapphire-tipped gene gunImage Number K7516-1 With 2,000 pounds per square inch of pressure, a sapphire-tipped gene gun can shoot atomized droplets of genetic material through the skin and directly into test animals quickly and almost painlessly.  Photo by Keith Weller  640 pixels wide: (k7516-1.jpg)   Please visit our Image Gallery


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