In 1943 Swiss chemist Albert Hofman discovered he'd created what may be the most potent hallucinogen known to humankind. Then he took a bike ride. Learn about the chemistry, neurology, history and cultural impact of LSD-25.
- Cary in the Sky with Diamonds
- LSD-25 on Erowid
- Apparently Useless: The Accidental Discovery of LSD
- How LSD Works on HowStuffWorks
- LSD's Impact on the Brain Revealed in Groundbreaking Images
- LSD May Chip Away at the Brain's 'Sense of Self' Network
- How Does Acid Make People Trip?
- Are Acid Flashbacks a Myth?
- Safety and Efficacy of Lysergic Acid Diethylamide-Assisted Psychotherapy for Anxiety Associated With Life-threatening Diseases
- The Consumers Union Report on Licit and Illicit Drugs: Chapter 50. How LSD was popularized, 1962-1969
- LSD (Acid) Fatalities/Deaths
- Serotonin and the Past and Future of LSD
- LSD: My Problem Child, by Albert Hofman