In 1943, a chemist in Switzerland synthesized a drug that alters consciousness. His discovery changed the study of medicine, ...

BIRMINGHAM, England — Half a century after Timothy Leary urged the world to “Turn on, tune in, drop out,” there’s a surge of interest in lysergic acid diethylamide, or LSD. The psychedelic drug was ...

Dr Albert Hofmann accidentally discovered the hallucinatory effects of LSD in April 1943. In 1986, he told the BBC about a "terrifying" bicycle ride home from the laboratory.

Add Yahoo as a preferred source to see more of our stories on Google. Bettmann via Getty Images In November 1956, three people gathered in a converted Connecticut barn to take LSD, a powerful ...

Albert Hofmann calculated that one teaspoon of LSD could affect 50,000 people. He arrived at that figure after accidentally absorbing a trace amount through his skin at the Sandoz laboratory in Basel ...

Add Yahoo as a preferred source to see more of our stories on Google. Credit: Illustration by BORIS SÉMÉNIAKO On Dec. 21, 1967 — the winter solstice, when the sun’s annual perambulations through the ...

John Lennon and Paul McCartney in London in May 1967 In John & Paul: A Love Story in Songs, author Ian Leslie details their union with perceptive insights bolstered by extensive research. The book ...

How did looking back at the Earth for the first time change humanity’s perspective? The legendary thinker Stewart Brand tells ...