Pan Pan, who died this week at the age of 31, was known as the "panda grandpa": He has some 130 descendants worldwide, accounting for a quarter of the world's captive giant pandas.
Lei Yang, 28, died after a confrontation with police in May. Fellow college graduates are speaking out now that authorities have decided not to prosecute the police involved.
China and the Vatican are working to settle longstanding differences. Their efforts may pave the way for the Holy See and Beijing to work together to ordain bishops inside of China.
China has returned a U.S. Navy drone it confiscated last week in the South China Sea. Some see the incident as part of a larger Chinese effort to gradually erode U.S. strategic dominance in Asia.
The U.S. said China's seizure of the drone last week was "inconsistent with international law and standards of professionalism for conduct between navies at sea."
U.S. officials say an unmanned underwater vehicle was seized by a Chinese ship on Thursday, about 50 nautical miles from the Philippines, before the Navy ship operating the drone could retrieve it.