Using electrical impulses, nanoscale 'tweezers' can extract single DNA, proteins and organelles from living cells without destroying them. They could help scientists build a 'human cell atlas', providing new insights into how healthy cells function and what goes wrong in diseased cells.

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Using electrical impulses, nanoscale 'tweezers' can extract single DNA, proteins and organelles from living cells without destroying them. They could help scientists build a 'human cell atlas', providing new insights into how healthy cells function and what goes wrong in diseased cells.