Google's Bard, an answer to Microsoft's ChatGPT, delivered a factual error in a search demo that the company shared widely. That sent Alphabet's market value plummeting this week.

The first-term Pennsylvania senator is in good spirits and has been talking with staff and family. He suffered a stroke last year, but tests Wednesday didn't show evidence of another stroke.

Hope is fading for finding survivors after Monday's devastating earthquake. But widely shared footage of volunteers pulling people alive from rubble in northwest Syria has lifted spirits.

In an interview with NPR in Tehran, Iran's foreign minister dismisses the protests that have spread in the wake of Mahsa Amini's death, saying "nothing important had happened."