Lysergic acid diethylamide--more commonly known as "LSD" or simply "acid"--is one of the longest lasting and most potent hallucinogens, but researchers have never understood why LSD's effects linger ...

On October 6th, 1966, nearly a thousand participants and three bands – including the Grateful Dead – gathered in the Panhandle of San Francisco’s Golden Gate Park to observe the criminalization of LSD ...

A team of researchers at the University of California, Davis, made small tweaks to the molecular structure of lysergic acid diethylamide (LSD) to see if it could be turned into an effective ...

This image is an artistic representation of the chemical structure of LSD -- highlighted in yellow -- interlocking into a red-orange ribbon diagram of the serotonin receptor. Disclaimer: AAAS and ...

Bicycle Day is observed around the world on April 19th, though it’s not exactly a celebration of the bicycle. Instead, the international holiday honors the fortuitous trip made on a bicycle on the day ...