Hexagons are the most scientifically efficient packing shape, as bee honeycomb proves.

Excerpted from Single Digits: In Praise of Small Numbers by Marc Chamberland. Out now from Princeton University Press.

Why Nature Prefers Hexagons - Nautilus

What is a Hexagon?, 6 Sided Shape

Circle Packing -- from Wolfram MathWorld

EXTREME Architecture - Laetitia Augustyniak

Patterns in nature: The efficiency of hexagons – letting nature

How geometry solves architectural problems for bees and wasps

Closeup Of Bees On Honeycomb In Apiary Stock Photo - Download Image Now - Bee, Honeycomb - Animal Creation, Beekeeper - iStock, Honeycomb

Can Math Survive Without the Bees?

Abstract honey comb pattern design with grunge Vector Image, Honey Comb

Why is France called a hexagon?