Open letter calls for greater scientific collaboration

Robot steers people toward virus tests in Dalian Ningxia regional ethnic games highlight sport traditions Chinese astronauts' EVAs to help extend mechanical arm Hidden heroes work hard in space industry Gold rush needs 'greater effort' Walkden's taekwondo title a 'scandal' Chinese men's team moves atop group in Curling World Cup Grand Final Inner Mongolia to host 2019 Judo Grand Prix Chengdu wins bid for 2025 World Games How taikonauts sort out their kitchen waste? Beijing 2022 mascot to be unveiled in second half of 2019 Nation to share its Beidou expertise Zhejiang Great Bay Area Cycling Open to kick off in June Martian satellite begins remote-sensing surveys Chinese astronaut in orbit takes historic step Open letter calls for greater scientific collaboration Info of 15 new lunar samples available online Mars rover, orbiter set to resume operations Putting a cool spin on the competition