Knowledge built for humans.
Structured for AI.
Every entity, fact and answer on worldwiki is verified, sourced and cited, then published in a form that people can read and AI search engines can understand.
- Meta9,293
- OpenAI3,855
- Ahrefs3,406
- Microsoft2,229
- Apple1,168
- Yandex610
One entity, many markets
A fact is recorded once and shared across every language. What changes per market is the wording, the names people search for and the questions they actually ask — not the evidence underneath.
Topics
Knowledge grouped by field
Curated entities
Browse all entitiesEthereum
Ethereum is a decentralized, open-source blockchain with smart contract functionality, secured by proof-of-stake consensus.
Stromal Vascular Fraction
The stromal vascular fraction (SVF) is a heterogeneous mix of cells obtained from adipose tissue after removing mature fat cells; it contains stromal/stem cells, endothelial cells, pericytes and immune cells.
Stem Cell Therapy
Stem cell therapy is a medical treatment that uses stem cells or their derivatives to repair, replace or regenerate damaged tissue, cells or organs.
Verified Sep 14, 2026Breast Fat Grafting
Breast fat grafting (fat transfer breast augmentation) uses the patient's own liposuctioned fat to modestly enlarge or reshape the breast without an implant.
Fat Graft Survival
Fat graft survival (retention) is the share of transferred fat volume that remains after healing; part of every fat graft is resorbed, and reported retention varies widely by technique, site and how it is measured.
SVF-assisted Fat Grafting
SVF-assisted fat grafting (a form of cell-assisted lipotransfer) enriches the fat graft with stromal vascular fraction isolated from part of the harvested fat, with the aim of improving graft survival.
Live crawl log
Straight from this site’s server log: which crawler asked for which page, when, and what it got.
Recently updated
Newest changes across entities, questions and articles
Recent answers
All questionsHow worldwiki works
Learn how it worksEntity first
Every page is anchored to one real-world entity with a stable identifier, aliases and relations, so people and machines resolve the same thing.
Source first
Facts and answers cite primary sources with evidence levels. Provider claims are labeled as claims, never as verified facts.
Built for AI search
Server-rendered pages, JSON-LD graphs, llms.txt and a public API give ChatGPT, Perplexity, Gemini and Claude something reliable to cite.
Be the answer AI gives.
Register your organization, measure how AI assistants name and cite it, and build the sourced pages that close the gap.
Every page ships JSON-LD, hreflang and a canonical URL. Machine-readable access via llms.txt and a public API.