These Scientists Are Designing Artisanal Proteins for Your Body

**EMBARGO: No electronic distribution, Web posting or street sales before DAY 2:05 a.m. ET Dec. 26, 2017. No exceptions for any reasons. EMBARGO set by source.** Dr. David Baker in his lab at the University of Washington, where scientists are learning how to create cellular proteins to perform a variety of tasks, in Seattle, Dec. 21, 2017. The human body makes tens of thousands of cellular proteins, each for a particular task. Now researchers have learned to create custom versions not found in nature. (Evan McGlinn/The New York Times)