When cicadas are infected with this fungus, they lose control of their bodies and mate with anything they can find.
Kenan Sulayman's website PsychonautWiki is an online resource for information on more than 300 hallucinogens.
The local conservation area believes the thieves may have wanted to lick the stolen Sonoran Desert toads for their natural psychedelic properties.
I surveyed more than 300 psychiatrists on their knowledge and views of psychedelics.
The science behind cannabis, hallucinogens, opioids, and stimulants.
Photographer Ray Lego recalls sipping hallucinogenic potions, hanging out in the desert, and watching the man drown himself.
Everyone was rushed to hospital. The perpetrator was never found.
We talked to marine biologist Jean Pasqual Quod about a fish curry that gives people hallucinations and nightmares.
Ten years ago women in the Amazon were not allowed anywhere near the rituals.