Each reaction using DropSynth can happen in a tiny test tube, like this one pictured in Plesa's lab. This has accelerated the speed, and reduced the cost to create massive gene libraries. Credit: Heather Swift Artificial intelligence relies on machine learning algorithms trained on massive datasets to make predictions—think of how ChatGPT learned language by gorging on the internet. In biology, however, scientists face a frustrating challenge—the high-qual