Bees are perhaps the insects that most arouse our fascination and curiosity. With the exception of Antarctica, they are found on all continents, in all habitats that contain insect-pollinated flowering plants. Representations of humans collecting honey from wild bees date back to 15,000 years ago, and pots of honey have even been found in the tombs of Egyptian pharaohs like Tutankhamen. Although we generally have a fixed idea about what cartoon bees look like, there are thousands of species around the world, with different sizes, colors and behaviors. There are even several examples of solitary bees, many without stingers, and even some species that survive by plundering other weaker colonies. But something that has consistently impressed researchers is the organization of their hives, which are truly highly populated cities with an efficiency to make any urban planner envious.