Why do bees make hexagons in their hives and not squares, rectangles, or triangles? - Quora
The hexagonal shape of the honeycomb cells depends on the construction behavior of bees
How do bees produce the hexagonal-shaped cells of a honeycomb? - Quora
Imperfect comb construction reveals the architectural abilities of honeybees
Honeycomb structure - Wikipedia
Why Do Honey Bees Make Hexagonal Honeycomb?
The bee Tetragonula builds its comb like a crystal
Biomimetics, Free Full-Text
Frontiers Cognitive Aspects of Comb-Building in the Honeybee?
PDF) Sub-cell scale features govern the placement of new cells by honeybees during comb construction
Why Honey Bees Use Hexagons - Carolina Honeybees