World Solve — A living repository of problems worth solving.

What World Solve is

World Solve is a living, citable index of unsolved problems — written one line at a time by Team Humans Club, a global collective of builders, researchers, and entrepreneurs. We do not solve the problems here. We Democratize Innovation.

For builders Skip the search for a problem worth your time. Browse a vetted, growing list and start where the gap is real.

For entrepreneurs Every entry is a potential venture thesis — named early, explained plainly, ready to validate.

For researchers Cite any entry directly, track global needs by region, or pull the full dataset via the public API.

1355 total logged

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We don't have a reliable way to predict and prevent postpartum depression before it develops.

open Global / Unspecified, Global

Postpartum depression affects many new parents, often going undiagnosed until it significantly affects their wellbeing and their child's early development. Better early prediction could allow support to begin before symptoms take hold.

WS00230 · Logged by The Internet (the_lurker) on 2026-07-20T02:50:00Z · Working on: 0

Citation ID: WS00230 Title: We don't have a reliable way to predict and prevent postpartum depression before it develops. URL: https://worldsolve.org/index.php?api=problem&id=230

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1355 public problems
1355 open challenges
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