Scientists have taken a step towards creating androids and using stem cells to regrow organs and fix birth defects.American researchers have created robots by reengineering frog stem cells into living tissues that do not exist in nature, dubbed 'Xenobots'.The "synthetic living machines" are swarms of identical cells that already "exhibit coordinated locomotion" - and are now set to be scaled up into "large scale anatomies" such as organ tissues."We show that the xenobots can navigate aqueous environments in diverse ways, heal after damage, and show emergent group behaviours," the researchers wrote in their paper.The study's corresponding author Professor Michael Levin, of Tufts University, said his team had created a "system of.
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