CRISPR cuts turn gels into biological watchdogs

By Ewen Callaway Is there anything CRISPR can’t do? Scientists have wielded the gene-editing tool to make scores of genetically modified organisms, as well as to track animal development, detect diseases and control pests. Now, they have found yet another application for it: using CRISPR to create smart materials that change their form on command. The shape-shifting materials could be used to …