<p>As Artemis II gets ready to launch, while NASA prepares for longer trips to space. We look at what traveling to space does to the human body with Scott Solomon, an evolutionary biologist and professor at Rice University, and the author of “Becoming Martian: How Living in Space Will Change Our Bodies and Minds” and Susan Bailey, Professor and Radiation Cancer Biologist in the Department of Environmental &amp; Radiological Health Sciences, at Colorado State University. </p><p><br></p>