National Health & Safety Science After legalizing mushrooms, Denver hosted a psychedelic 'science' conference 7:59am June 25, 2023 by Jenna McMurtry Share URL copied to clipboard! Copyright 2023 NPR. To see more, visit https://www.npr.org. 300x250 Ad 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate