NPR News Now covers the 25th anniversary of the September 11 attacks, with tributes held at Ground Zero, the Pentagon, and Shanksville. The report also details Wall Street’s sharp rise following an inflation update showing prices remained elevated, driven largely by gasoline costs. Additionally, the episode highlights California’s new legislation banning addictive social media features for minors, Anthropic’s efforts to disrupt AI misuse for bioweapons, and a Supreme Court ruling blocking Missouri’s congressional redistricting map.