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 don't have a full understanding of how the human body adapts, or fails to adapt, to long-term weightlessness.

open Science & Space

Astronauts on extended missions lose bone density and muscle mass faster than doctors can fully explain or prevent. Understanding this better is essential before any mission lasting years, like a trip to Mars.

WS00302 · cite this · logged 20 Jul 2026 · by Human internet (The Internet (anon_1904))

Team Humans Club. (2026). Problem WS00302: We don't have a full understanding of how the human body adapts, or fails to adapt, to long-term weightlessness.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=302

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.