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 ...

The long-awaited results of the 2017 trial suggest that the approach can reduce the risk of mitochondrial disease—but not ...

In other words, air-conditioning is more than a convenience; in certain conditions, it’s a safety measure. That should be an ...

MIT Technology Review’s How To series helps you get things done. Simon Willison has a plan for the end of the world. It’s a ...