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 stop osteoporosis from silently weakening bones until a fracture occurs.

open Global / Unspecified, Global

Bone density loss often goes unnoticed until a fall causes a serious fracture, by which point significant damage has already occurred. Better early detection and prevention could avoid many of these life-altering injuries.

WS00483 · Logged by The Internet (hello_world) on 2026-07-21T08:21:00Z · Working on: 0

Citation ID: WS00483 Title: We haven't found a way to stop osteoporosis from silently weakening bones until a fracture occurs. URL: https://worldsolve.org/index.php?api=problem&id=483

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1355 public problems
1355 open challenges
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