This week's Locked-in Science brings us International Nurses Day in 2020, which is also the International Year of the Nurse and Midwife, marking 200 years since the birth of Florence Nightingale. Clare talks to Professor Marie Gerdtz from the University of Melbourne about what has and hasn't changed since then, and the impact on nurses of the COVID-19 pandemic. And Stu brings a galaxy of space news, with comets, meteors, asteroids, black holes and unidentified flying objects.