A greenhouse gas monitoring instrument developed by a university in Hong Kong is operating successfully aboard Tiangong space station and is expected to contribute to sustainable development, the city’s technology minister has said. Secretary for Innovation, Technology and Industries Sun Dong also revealed more details on Saturday about the life of the city’s first astronaut, Lai Ka-ying, who he said had a tight schedule at the space station. In his web blog, Sun said the Multi‑Spectral Imaging...