Why people keep stuff in their heads

Simplify is back on January 12, 2026! We’ve got a new look, we’re independent now, and we can’t wait to share new episodes with you every other Monday from January 12th onward. 

To warm you up, we’re reissuing 5 of our favorite episodes. So, catch up on the great ideas you might’ve missed and get ready for Monday: you’ll hear from a cultural historian who will change the way you interact with the medical system. 

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This is one of our most popular ever episodes, featuring David Allen. We sound so young...