Three federal patent judges will hear oral arguments Tuesday in a heated dispute over a gene-editing technology known as CRISPR — clustered regularly interspaced short palindromic repeats.

CRISPR is widely hailed as a revolution in biology, making it easier for researchers to tweak genes, like a molecular scissors. We check in with Carey Goldberg on the fight and what's at stake.

Carey Goldberg, host of WBUR's Commonhealth, which tweets @commonhealth.