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.

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We haven't explained why some galaxies rotate in ways that don't match visible matter alone.

open Global / Unspecified, Global

This mismatch is part of the evidence for dark matter, but the details of how it shapes galaxy rotation are still not fully worked out. A better model would sharpen our understanding of galaxy formation.

WS00159 · Logged by The Internet (citizen_of_earth) on 2026-07-19T18:33:00Z · Working on: 0

Citation ID: WS00159 Title: We haven't explained why some galaxies rotate in ways that don't match visible matter alone. URL: https://worldsolve.org/index.php?api=problem&id=159

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1355 public problems
1355 open challenges
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