Philosophy
The Metaphysics of Social Kinds: Construction and Reality
Quick fact
In 2014, the Scottish Independence referendum saw citizens on both sides using 'Scottishness' as a social kind that felt deeply real, even though its legal definition had shifted over centuries.
Why this is interesting
Money, borders, and weekends feel as real as mountains or electricity—yet they only exist because we collectively agree they do. How do such intangible inventions become so solid?