What did david saint Jacques do in space?

David Saint-Jacques, a Canadian astronaut, participated in a six-month mission aboard the International Space Station (ISS) from December 2018 to June 2019. During his time in space, he conducted scientific experiments in various fields such as Biology, physics, and medicine, contributing to research that benefits life on Earth and future space exploration. He also engaged in educational outreach, sharing his experiences with the public and inspiring future generations in science and space exploration.