In the spring of 1966, Stewart Brand did 100 micrograms of LSD and sat on top of a roof in San Francisco. Perched there, he looked toward a curved horizon and imagined the spherical Earth and just how ...

On Dec. 21, 1967 — the winter solstice, when the sun’s annual perambulations through the zodiac had reached their most southerly point — light was dimming on the Summer of Love. In an unassuming pad ...

LSD is an extremely potent, long-lasting psychedelic drug: A dose of just 100 micrograms is enough to send someone on a hallucinatory trip that can last a whole day. Now, scientists report that the ...

Adapted from "The Last Man Takes LSD: Foucault and the End of Revolution" by Mitchell Dean and Daniel Zamora, Verso Books, May 2021. In the spring of 1975, Michel Foucault was set to lay claim to ...

The seeds of the LSD trip were planted a year earlier, in the summer of 1955. Aldous Huxley, recently widowed and struggling with his grief, came to stay with Matthew and Ellen. During those long ...

A person with naturally occurring synesthesia experiences the sensory world in overlapping layers. Sounds are seen as colors and tastes are processed as sounds. Overall, there are 60 documented forms ...

The first time that I took LSD, I accepted three and a half tabs on my tongue from a man dressed up in a monkey suit. Despite the hot summer weather, I raided the winter wardrobe of the house I was ...