nasa.gov

8eboP TIL that an astronaut secretly smuggled a corned beef sandwich into space, nearly causing a disaster—and NASA was not happy about it.
dDjdZ TIL Astronauts' bones shed weight in Space, losing as much as 1.5% of their mineral density each month, and recover most of it back on Earth. Interestingly, astronauts with permanent mineral density loss don't seem to experience more bone fractures than normal
ANbna Til Lunar dust is potent to humans.