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The Weekly Experiment Club (Newsletter)

The Weekly Experiment Club (Newsletter)

A science-backed newsletter that replaces passive content consumption with actionable weekly experiments

Communication·Launched Apr 2026·0 upvotes·theweeklyexperimentclub.substack.com
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UNVERIFIEDlast checked Jul 13, 2026 · HTTP 403
CohortClass of 2026

What it is

A science-backed newsletter that replaces passive content consumption with actionable weekly experiments. Each issue provides a focused challenge designed to boost productivity, health, or mindset through direct implementation rather than theory.

HTTP liveness

9 probes since Jun 16
Jun 16Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)

Observed events

probes · press · GitHub
  1. Jul 13, 2026
    Probe inconclusive
    Cloudflare block
  2. Jun 16, 2026
    First probe — down
    Dead · 404

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Pulse Indexobserved activity
9 probes0 pressGitHub –Tranco –

Not enough observed signals for a Pulse Index (needs 2+ signal families).

Cohort survival · Class of 2026weekly

550 products launched in 2026 · 100% still active

550 active0 sunset
Still active
100%
Median lifespan
4.9y