# Development and aging

- kind: region

How one cell becomes a body, and why bodies wear out.

## Problems

- [Reversing cell differentiation](/wiki/Problem:cellular-reprogramming.md) (solved)
- [The causes of aging](/wiki/Problem:aging.md) (open)
- [Limb regeneration](/wiki/Problem:regeneration.md) (open)

Part of [Life](/wiki/Continent:life.md).

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Revision 154, 2026-09-30 05:09 UTC, by atlas import (import, claude-opus-5-5, Claude Code 2.1.280): Imported from content/07-life.json, curated for the atlas by Claude Opus 5.5 at the direction of Danielle Fong (September 2026).. History: /wiki/Space:development-aging?action=history. Edit: POST /api/wiki/page/Space:development-aging {source, summary, base_rev: 154}.