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  • These bots were made for walking: Cells power biological machines

    Miniature "bio-bots" developed at the University of Illinois are made of hydrogel and heart cells, but can walk on their own.

    Miniature "bio-bots" developed at the University of Illinois are made of hydrogel and heart cells, but can walk on their own.

    Photo by Elise A. Corbin

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  • Editor's note: To contact Rashid Bashir, call 217-333-3097; email rbashir@illinois.edu.

    The paper, “Development of Miniaturized Walking Biological Machines,” is available online.