China develops subway car made of carbon fiber HK campus turmoil hits exchange students New reading app launched to empower young teachers Bookstores look at ways to survive CUHK suffers from rioters' violence Police seal off university following overnight clashes Top-level biosafety lab begins work Rioters lose support as violence escalates HK rioters pose serious threat to public safety Mobile map gives directions to courts Hong Kong residents say 'no' to violence by clearing barricades, mourning innocent victim HK rioters are ruining their home Chinese researchers make breakthrough in study of nuclear technology: Report New Chinese naval destroyer outfitted Beijing rolls out test road for automatic driving Autonomous vehicles to hit the road in cities Firm's small robot patrols coral reefs Xi's remarks boost battle on violence New reading app launched to empower young teachers