Direct-authored thread connecting the book's coral-reef passage to its account of how islands form.

Coral Reefs Built an Island (No Architect Required)

Coral reefs, grain by grain: tiny animals building limestone skeletons, generation after generation, until the structure reaches the surface.

Coral Reefs Built an Island (No Architect Required)

The book places its coral-reef account directly before its chapter on islands — not a coincidence.

Coral Reefs Built an Island (No Architect Required)

Given enough time, a reef becomes dry land: sand collects, plants take hold, and an island exists where there was only open sea.

Coral Reefs Built an Island (No Architect Required)

No architect, no single builder — just the same small mechanism, repeated for long enough to make new ground.

Coral Reefs Built an Island (No Architect Required)