Cartoon comparing DNA strand displacement using the DNA-tweezers (top) versus the DNA probe built into the previous chip (bottom). Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy ...

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Dithering over whether to go vote? Well, perhaps some cartoons by actor-comedian Jim Carrey will provoke you to go to the ballot box, whatever way you lean politically. DnA talks to Carrey about why ...