China’s extensive surveillance of the Uyghur population does not stop at the Chinese border. In Sweden, Uyghur Nyrola Elima says her Twitter account is being tracked by the Chinese authorities back home as she campaigns for her cousin Mayila Yakufu to be released from the Xinjiang detention center. CNN’s Ivan Watson reports.
Sad or afraid? Dogs may be able to read your face 
Science backs calls for limiting screens in schools 
Ancient Greek rings may have been forged with iron from meteorites 
AI may respond differently to bosses and subordinates 
Here’s what the first mRNA flu vaccine could mean for flu season 
Sugar may have been a key ingredient in human evolution 
Asia’s Energy Progress Is Great, But Must Pick Up Pace 
Living Longer at Age 80