When Claire tests her own onboarding flow, she naturally follows the happy path. She fills out every required field, clicks 'next,' and never intentionally tries to break anything. Codex tested the flow as both a team and an individual, pushed on required-field edge cases, and immediately uncovered a blocking bug that had survived for months simply because Claire always completed the form correctly.
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Most of us intuitively understand that extreme talent is rare. But psychologist Adam Galinsky says we fail to appreciate just how rare — and how different our lives might have been had we been born at a different time, or in a different place, or to different parents. We dramatically underestimate the role of circumstance in shaping who we are and what we achieve.
Hidden Brain
Pain researchers have found that the experience of pain is heavily shaped by context, expectation, and meaning. The same injury can feel devastating in one situation and barely noticeable in another — soldiers wounded in battle, for instance, often report feeling little pain at the moment of injury, because the wound means they will be evacuated from the front lines.
Hidden Brain
Pain depends not just on the signals traveling from the body to the brain, but also on what the brain expects to feel. When the brain anticipates pain, it can amplify those signals — and when it doesn't, the very same injury can feel far less intense.
Hidden Brain