In this episode we talk about the impressive and iconic image portraying Astronaut Bruce McCandless performing an untethered spacewalk: one of the images that made the history of human spaceflight! Plus: effects of microgravity on the human body. Enjoy the episode and let us know what you want to hear next! Chapters: 00:00 - Bruce McCandless and his history Spacewalk 04:14 - How does the human body adapt to microgravity?