Zhengzhou subway in China using face recognition at all stations
Doctors successfully 'reanimate' heart from deceased donor
Polar bear spray painted with graffiti in Russia
Dog nearly burns the house down after turning on microwave
McDonald's is testing a new chicken sandwich
Beijing employs 'influencers' to spread communism
NASA to attach 'robot hotel' to International Space Station
U.S. may implement mandatory facial scans across airports
Three missing in Chinese sinkhole