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 still don't know what makes someone the same person over time despite constant physical and psychological change.

open Philosophy & Ethics

From childhood to old age, nearly everything about a person changes, yet we treat them as a single continuous identity, and no philosophical account of why has settled the matter. This affects questions about responsibility for past actions.

#person#know#what#makes#someone#philosophy-ethics

WS01070 · cite this · logged 19 Jul 2026 · by Human internet (The Internet (late_night_reader))

Team Humans Club. (2026). Problem WS01070: We still don't know what makes someone the same person over time despite constant physical and psychological change.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=1070

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.