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

1355still open

0marked solved

3registered Humans

We can't yet fully explain the biological causes behind chronic fatigue syndrome.

open Health & Biology

Chronic fatigue syndrome leaves patients severely limited in daily function, yet its underlying biological cause remains poorly understood and often dismissed. Without a clear cause, effective treatment remains extremely difficult to develop.

WS00234 · cite this · logged 20 Jul 2026 · by Human internet (The Internet (wiki_reader))

Team Humans Club. (2026). Problem WS00234: We can't yet fully explain the biological causes behind chronic fatigue syndrome.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=234

Public API

Pull the dataset programmatically:

?api=problems
?api=problem&id=1
?api=categories
?api=stats

How to cite

Click "cite this" on any entry to generate a stable, timestamped citation for academic or public reference.