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 why some people develop chronic complications from otherwise mild cases of COVID-19.

open Health & Biology

A portion of people who had only mild initial COVID-19 symptoms went on to develop long-lasting complications, while many with more severe initial illness recovered fully. Understanding this mismatch remains an important open research question.

WS00608 · cite this · logged 21 Jul 2026 · by Human internet (The Internet (anon_1904))

Team Humans Club. (2026). Problem WS00608: We can't yet fully explain why some people develop chronic complications from otherwise mild cases of COVID-19.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=608

Public API

Pull the dataset programmatically:

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?api=problem&id=1
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How to cite

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