Best Curiosity Newsletters in 2026

NewsletterFIT tracks 4 newsletters that cover Curiosity as a primary topic, 3 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are plum pits (87K) and How It Works (and Why It Doesn’t) (1K).

Updated Nov 5, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    plum pits87K subscribers

    SubstackWeekly · last post 5 days ago

    From recent posts: Plum Pits publishes a rotating mix of personal essays on self-improvement, digital detox, and modern relationships alongside occasional interviews with authors. The publication targets readers interested in psychology…

    Likely audience: Self-reflective individuals seeking personal growth

  2. 2
    How It Works (and Why It Doesn’t)1K subscribers

    SubstackWeekly · last post 11 days ago

    From recent posts: This publication features long-form essays on generational experiences, societal critique, and personal migration, alongside occasional announcements for paid relocation consulting services. It targets readers…

    Likely audience: Parents reflecting on their own upbringing

  3. 3
    The Brain Dive—

    LinkedInMonthly or less · last post 15 days ago

    Go deeper into the brain science behind brain positive leadership

    Likely audience: HR directors

  4. 4
    Analogous—

    Substacklast post May 26, 2023

    A newsletter of mental mashups, musings, and analogies that inspire critical thought about how things might actually be more similar than we thought.

    Likely audience: curious learners

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