http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Episode 163 - Weightlessness: While in orbit astronauts experience weightlessness. This is a state that presents problems to the humans that are exposed to it for even short periods and doctors are still learning about its effects on the body.
Title from resource description page (viewed May 14, 2019).