To revive an extinct bird, you first need an artificial egg

A Colossal Biosciences worker performs a wellness check on an artificial egg. Colossal Biosciences hide caption toggle caption Colossal Biosciences Trevor Snyder pulls open an incubator and gently lifts out a device that looks like a high-tech coffee pod. It's black, with a honeycomb bottom. A clear flat top reveals what's inside. …