“Cross-check” columns on psychedelic drugs, mystical experiences and related topics.
Tripping in LSD’s Birthplace: A Story for ‘Bicycle Day’.
DMT is in your head, but it may be too weird for psychedelic renaissance.
As Psychedelic Revival Rolls On, Down Downplay Bad Trips.
Does Psychedelic Therapy Exploit the Placebo Effect?
Doubts about psychedelics from Albert Hofmann, LSD’s discoverer.
My Lunch with Psychedelic Chemist Sasha Shulgin.
What Should We Do With Our Visions of Heaven—and Hell?
My Ayahuasca Trip.
Was Psychedelic Guru Terence McKenna Goofing About 2012 Prophecy?
If religion is a side effect of sex, does that mean God doesn't exist?
Can a Hole in Your Head Get You High?
The views expressed are those of the author(s) and are not necessarily those of Scientific American.
John Horgan directs the Center for Science Writings at the Stevens Institute of Technology. His books include The End of Science and The End of War.