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 can't yet reverse hearing loss caused by aging or long-term noise exposure.

open Global / Unspecified, Global

Once the tiny hair cells in the inner ear are damaged, human bodies can't naturally regrow them, making most hearing loss permanent. Cell regeneration therapies show early promise but remain far from mainstream treatment.

WS00222 · Logged by The Internet (citizen_of_earth) on 2026-07-20T01:54:00Z · Working on: 0

Citation ID: WS00222 Title: We can't yet reverse hearing loss caused by aging or long-term noise exposure. URL: https://worldsolve.org/index.php?api=problem&id=222

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

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