http://news.cqu.edu.cn/newsv2/show-14-16860-1.html http://news.cqu.edu.cn/newsv2/show-14-16860-1.html This is from the university that lead the experiment. A c

http://news.cqu.edu.cn/newsv2/show-14-16860-1.html http://news.cqu.edu.cn/newsv2/show-14-16860-1.html This is from the university that lead the experiment. A control experiment was done as well