Researchers say they've found a new way to extract lithium, a crucial metal used in the lithium-ion batteries that power electric vehicles and energy storage arrays. This new technique could be more environmentally friendly and cheaper than existing ones. The research was published today in Science, and a startup called Rock Zero is working to...

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. How a new extraction process could unlock the world's lithium A new method for extracting lithium could cut costs and emissions from one of the world's most important materials for EVs...