Why do honeybees love hexagons?

Bees have been producing honey as they do today for at least 150 million years. Bees produce honey as food stores for the hive during the long months of winter when flowers aren't blooming and therefore little or no nectar is available to them.

Honeycombs are made up of hexagonal wax cells. This video describes why bees may have evolved in making hexagonal cells over any other shape. 

Enjoy ! :)