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.

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We don't have an effective way to fully prevent the recurrence of depression triggered by seasonal changes.

open Global / Unspecified, Global

Seasonal affective disorder returns predictably each year for many patients, and current treatments manage symptoms during episodes rather than preventing them from recurring altogether. A more preventive approach remains undeveloped.

WS00556 · Logged by The Internet (field_notes) on 2026-07-21T16:52:00Z · Working on: 0

Citation ID: WS00556 Title: We don't have an effective way to fully prevent the recurrence of depression triggered by seasonal changes. URL: https://worldsolve.org/index.php?api=problem&id=556

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1355 public problems
1355 open challenges
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