Sign up today and save up to 67% on a Hartford Courant digital subscription


Gene editing: Research spurs debate over promise vs. ethics

The hottest tool in biology has scientists using words like revolutionary as they describe the long-term potential: wiping out certain mosquitoes that carry malaria, treating genetic diseases like sickle-cell, preventing babies from inheriting a life-threatening disorder. It may sound like science fiction, but research into genome editing is booming. So is a debate about its boundaries, what's safe and what's ethical to try in the quest to fight disease. Does the promise warrant experimenting with human embryos? Researchers in China already have, and they're poised to in Britain. Should we change people's genes in a way that passes traits to future generations?...