What is it like to help out with a space walk? How are scientists taking care of spaceship Earth? And how do you join an all-astronaut band? That's right, we talked to former U.S. Astronaut Dottie Metcalf-Lindenburger (she/her), who told us all about astronaut training, living underwater as an aquanaut, and more! To learn more about all things space, follow Dottie on Twitter @astrodot .

Questions? Looking for more science fun? Check out @scientistsdopod on Twitter or Instagram. Do you have a question you’d like answered by an expert? Send us an email or a voice recording at whatdoscientistsdo@superstaff.ca !

To learn more about STEM programs for youth at Dalhousie University, visit SuperNova’s website at supernova.dal.ca or email  ...