The idea that everyone in the world is connected to everyone else by just six degrees of separation was explained by the 'small-world' network model 20 years ago. What seemed to be a niche finding turned out to have huge consequences.
CITATION STYLE
Vespignani, A. (2018). Twenty years of network science. Nature, 558(7711), 528–529. https://doi.org/10.1038/d41586-018-05444-y
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