The United States has a reputation for having some of the safest tap water in the world. But experts are challenging that reputation after a new study found "forever chemicals" in tap water. Cheddar's Ashley Mastronardi has the story
Step inside the command center running the US Open's AI for 14 million fans - discover new features like Serve Quality, Match Chat, and the tech behind it all
Why is the NYC subway platform so hot? One rider built his own sensor network to find out. We explore the geothermal fix the MTA is piloting right now.