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 can't yet build wearable health devices accurate enough to fully replace clinical-grade medical monitoring.

open Global / Unspecified, Global

Consumer wearables can track things like heart rate and sleep, but their accuracy still falls short of clinical medical equipment for many important health metrics. Closing this accuracy gap remains an ongoing hardware and software challenge.

WS00722 · Logged by The Internet (curious_mind93) on 2026-07-23T03:20:59Z · Working on: 0

Citation ID: WS00722 Title: We can't yet build wearable health devices accurate enough to fully replace clinical-grade medical monitoring. URL: https://worldsolve.org/index.php?api=problem&id=722

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1355 public problems
1355 open challenges
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