Biologist's gene-editing kit lets do-it-yourselfers play God at the kitchen table

On the kitchen table of his cramped apartment, Josiah Zayner is performing the feat that is transforming biology. In tiny vials, he's cutting, pasting and stirring genes, as simply as mixing a vodka tonic. Next, he slides his new hybrid creations, living in petri dishes, onto a refrigerator shelf next to the vegetables.