Tech giant Google unveiled a new AI tool designed to assist in medical diagnosis

Tech startup unveils portable device that monitors air quality in real timeInternational space agency shares images of recent asteroid flyby near Earth

School district provides free laptops to students from low income householdsMajor coffee chain commits to using 100 percent ethically sourced beans by next yearResearch team finds link between daily water intake and improved skin elasticity

City officials announce closure of main street for weekend music festivalSports league introduces new safety rules for youth athletes to prevent injuries

Book publisher signs deal with best selling author for three new novels

Hospital reports decrease in emergency room visits for seasonal illnesses this monthPostal service adds extra delivery days during holiday season to handle packages

Movie theater offers family friendly matinees with reduced ticket pricesResearch indicates that gratitude journaling reduces stress hormones in adults

Hardware store offers classes on basic plumbing and electrical repairsCoast guard rescues boaters caught in storm off northern coast

(责任编辑：吴淼)