Journal

Thinking about what comes next.

AI, human flourishing and the future of how we live.

Instinct vs Muse vs Lucie
Personal AI

Instinct vs Muse vs Lucie

Personal AI is beginning to split into different futures, each with a different idea of what intelligence should actually do for your life.

·8 min read·By RHISE

All articles

  1. Illustration of an HRV chart whose line dips overnight, beside a night sky with a crescent moon
    Body & Wearables

    Why did my HRV drop overnight?

    Usually because something changed. What the research says about alcohol, sleep, training, stress and illness, why your own baseline matters more than any chart, and a free tool to check this morning against your own nights.

    ·4 min read·By RHISE

  2. Oura ring, Apple Watch, WHOOP band, Garmin watch and Fitbit around two phones showing readiness and recovery scores
    Body & Wearables

    Most accurate wearable 2026: Oura vs Apple Watch vs WHOOP vs Garmin vs Fitbit

    There is no single most accurate wearable, only the most accurate one for a particular measurement. What independent studies say about sleep, heart rate, HRV, steps, VO₂ max and more, with a tool that tells you whether a change in your data is bigger than your device’s usual error.

    ·9 min read·By RHISE

  3. A smiling child in an Earthchild Project t-shirt in Khayelitsha, South Africa
    Earthchild Project

    Some forms of intelligence begin with learning how to breathe.

    Khayelitsha, South Africa

    Thousands of children are learning yoga, mindfulness, environmental awareness and leadership through Earthchild Project.

    ·5 min read·By RHISE