Sonoran Desert toads use a fascinating defense mechanism against predators—hallucinogenic toxins. But nature has found a way around it. Amphibians are remarkably resilient creatures. In the 300 ...

In an unusual turn for an unassuming species, a desert amphibian is at the center of both a potential ecological crisis and an evolving question of drug policy. The creature in question is the ...

This article was originally featured on Undark. When Johannes Reckweg arrived in the Netherlands in 2016 to work on his master’s program in neuropsychology, he didn’t expect to learn about a ...

In 2013, a charismatic Mexican doctor took the stage at Burning Man, in Nevada, to give a TEDx talk on what he called “the ultimate experience.” The doctor’s name was Octavio Rettig, and he would soon ...