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— Aldo Leopold"Wilderness, then, assumes unexpected importance as a laboratory for the study of land - health."
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And let us dispose of a common misconception. The complete transmutation of even one animal species into a different species has never been directly observed either in the laboratory or in the field.
— Dean H. Kenyon
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We used to joke about canned men, putting people in a can and seeing how far you can send them and bring them back. That's not the purpose of this program... Space is a laboratory, and we go into it to work and learn the new.
— John Glenn
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