{"text":"When I worked in astronomy, I routinely observed young college and university students working with liquid nitrogen and breathing nitrogen gas as they discharged it into the indoor environment at high altitude.","author":"Steven Magee","tags":["altitude","astrobiology","astronomer","astronomical","astronomy","astrophysics","astrosociobiology","breathing","college","discharged","environment","gas","high","indoor","liquid","nitrogen","observatory","observed","students","university","working","young"],"id":259564,"author_id":"Steven+Magee"}