It’s the biggest revolution you’ve never heard of, and it’s hiding in plain sight. Over the past decade, Silicon Valley executives like Eric Schmidt and Elon Musk, Special Operators like the Navy SEALs and the Green Berets, and maverick scientists like Sasha Shulgin and Amy Cuddy have turned everything we thought we knew about high performance upside down. Instead of grit, better habits, or 10,000 hours, these trailblazers have found a surprising short cut. They’re harnessing rare and controversial states of consciousness to solve critical challenges and outperform the competition.