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Science 9 March 2007:
Vol. 315. no. 5817, pp. 1352 - 1353
DOI: 10.1126/science.315.5817.1352a
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News of the Week

EVOLUTION:
Robot Suggests How the First Land Animals Got Walking

Elizabeth Pennisi

A salamanderlike machine described on page 1416 of this issue of Science has demonstrated that merely changing the strength of the brain signal driving locomotion can determine whether an animal walks or swims. (Read more.)

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Science. ISSN 0036-8075 (print), 1095-9203 (online)