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Robot Suggests How the First Land Animals Got Walking

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Science  09 Mar 2007:
Vol. 315, Issue 5817, pp. 1352-1353
DOI: 10.1126/science.315.5817.1352a

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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.)