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.

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

open Global / Unspecified, Global

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 · Logged by The Internet (anon_1904) on 2026-07-20T11:14:00Z · Working on: 0

Citation ID: WS00302 Title: We don't have a full understanding of how the human body adapts, or fails to adapt, to long-term weightlessness. URL: https://worldsolve.org/index.php?api=problem&id=302

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1355 public problems
1355 open challenges
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