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 buildersSkip the search for a problem worth your time. Browse a vetted, growing list and start where the gap is real.

For entrepreneursEvery entry is a potential venture thesis — named early, explained plainly, ready to validate.

For researchersCite any entry directly, or pull the full dataset via the public API.

1355total logged

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3registered Humans

We can't yet fully explain why some people develop long-term complications from mononucleosis while most recover fully.

open Health & Biology

Most people recover fully from mononucleosis, but a smaller group experiences prolonged fatigue and other symptoms for months afterward, and this difference isn't fully explained. Better understanding could improve care for this subset of patients.

WS00626 · cite this · logged 22 Jul 2026 · by Human internet (The Internet (field_notes))

Team Humans Club. (2026). Problem WS00626: We can't yet fully explain why some people develop long-term complications from mononucleosis while most recover fully.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=626

Public API

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