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.

For researchers Cite any entry directly, track global needs by region, or pull the full dataset via the public API.

1355 total logged

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7 registered profiles

We don't understand why the universe's expansion is speeding up instead of slowing down.

open Global / Unspecified, Global

Gravity should be pulling everything together over time, yet distant galaxies are accelerating away from each other. This mystery, blamed on dark energy, remains one of the biggest open questions in physics.

WS00008 · Logged by Administrator on 2026-07-18T18:27:29Z · Working on: 0

Citation ID: WS00008 Title: We don't understand why the universe's expansion is speeding up instead of slowing down. URL: https://worldsolve.org/index.php?api=problem&id=8

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1355 public problems
1355 open challenges
0 solved entries
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