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

1355 still open

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We haven't found a way to fully prevent the recurrence of ulcers in patients treated for H. pylori infection.

open Global / Unspecified, Global

Even after successful treatment of the bacteria that commonly causes stomach ulcers, some patients experience recurring ulcers due to other contributing factors. A more comprehensive prevention approach remains needed.

WS00549 · Logged by The Internet (insomniac_reader) on 2026-07-21T16:03:00Z · Working on: 0

Citation ID: WS00549 Title: We haven't found a way to fully prevent the recurrence of ulcers in patients treated for H. pylori infection. URL: https://worldsolve.org/index.php?api=problem&id=549

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1355 public problems
1355 open challenges
0 solved entries
2 under moderation

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