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Life in a Shell: A Physiologist's View of a Turtle

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By Donald C. Jackson

Web edition: March 11, 2011
Print edition: March 26, 2011; Vol.179 #7 (p. 28)

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A physiologist shows how shells have helped turtles survive virtually unchanged for 220 million years.

Harvard Univ. Press, 2011, 178 p., $29.95.

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