The startup Boston Metal has raised a $75 million funding round to produce critical metals, MIT Technology Review can exclusively report.   The company has been known largely for its efforts to clean up steel production, an industry that’s responsible for about 8% of global greenhouse emissions today. With the additional money, the new focus could…

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. Colossal Biosciences is growing chickens in a 3D-printed artificial eggshell The baby chicks were shifting and starting to pip—or trying to hatch. But not from an egg. Instead, these chickens were…