In Minneapolis, videos of the Alex Pretti killing undermined the federal government’s account. But an A.I. video of Brad Pitt shows the dangers ahead.

A 15-second clip created by an artificial intelligence tool owned by the Chinese technology company ByteDance appears more cinematic than anything so far.

With this simple, all-in-one solution you can create a stunning site with no technical know-how, but could Wix be a bit too simple for you?

New discoveries, everyday mysteries, and the science behind the headlines — in just under 15 minutes. It's science for everyone, using a lot of creativity and a little humor. Join hosts Emily Kwong ...