US aims to stay ahead of China in using AI to fly fighter jetsSchools turn to artificial intelligence to spot guns as companies press for state fundsJessica Biel shows off her new blonde hair and casualNew York City police shoot and kill a man they say would not drop a gunGreta Thunberg is detained by cops as proLondon's faltering 'nightEden Golan defies the protesters: Israel's hotlyChennai Super Kings stay in contention for IPL playoffs with 5New York City police shoot and kill a man they say would not drop a gunChennai Super Kings stay in contention for IPL playoffs with 5