Cover of AIR Volume 1 Issue 2

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Annals of Improbable Research (AIR)

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Cover Image for Volume 1, Issue 2

March/April 1995

Special Teachers' Issue

Electron-photomicrograph of a section through a chimpanzee lung cell culture (magnification approx. 40,000). Photo: Ronald J. Helmke, University of Texas Health Science Center, San Antonio, Texas.