After Day 7, Italy and Norway were tied once again atop the medal count leaderboard. Both countries had already taken home 18 medals, though Norway had the edge in golds, eight to Italy's six.

Waymo launches its sixth-generation autonomous driving system with fewer sensors, new Geely-built vehicles, and plans for expanded robotaxi operations.

Biologists, physicists and computer scientists have joined a platform called RentAHuman.ai to advertise their skills.