Work has begun on something once-unthinkable: creating human DNA from scratch. Artificial DNA has long been an ethical minefield, with fears of a generation of ‘designer babies’ with pick ‘n’ mix ...

NEW YORK – At Jef Boeke's lab, you can whiff an odor that seems out of place, as if they were baking bread here. But he and his colleagues are cooking up something else altogether: yeast that works ...