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What new research on the avian brain and REM sleep in birds might reveal about our own dream lives.

Humans are hard-wired to adjust to changing circumstances. And that’s why terrible changes can occur slowly without much protest.

We are due for a national conversation, informed by science and not politics, about our expectations for our leaders’ cognitive and emotional health.

As psychedelics move from the underground to mainstream medicine, clinicians aspiring to work in the field are inducing altered states with deep breathing.