Quirks & Quarks

You Brain on Fentanyl - Westworld and AI - Erasing Memory

Plus - Earth's hidden water stores, and a colossal canyon on Mercury.
Harley Frank injects a needle filled with what he was told was fentanyl into the arm of his girlfriend, Stacey. (Chris Corday/CBC)

On this episode we examine exactly what is going on in the brain and body during fentanyl a high and overdose. And much, much more.