Jen Keane’s claim to fame is that she grew a shoe using bacteria, coaxing the microbes to deposit their nanocellulose materials in the shape of a sneaker. But she’s kind of over that. “I feel like ...

There’s been this dream for decades. What if we could just print out an entire gene directly, one base at a time? —Daniel Lin-Arlow, Ansa Biotechnologies As scientists set their sights on cell and ...