Some of the world's largest technology companies -- Amazon, Google (GOOGL), and Facebook (FB) -- are ramping up efforts to use artificial intelligence to identify the structure of proteins involved in diseases, a key task in the discovery of new drugs. Historically such work has been driven by academic labs and pharmaceutical companies -- and the bulk of it still is. But biochemistry researchers say the tech giants are becoming increasingly active in the field, as artificial intelligence promises to help solve fundamental mysteries of human biology. Unlock this article by subscribing to STAT Plus and enjoy your first 30 days free! STAT Plus is STAT's premium subscription service for in-depth biotech, pharma, policy, and life science coverage and analysis.