In recent years beekeepers have had to face tremendous challenges, from pests such as varroa and tracheal mites and from the mysterious but even more devastating phenomenon known as Colony Collapse Disorder (CCD). Yet in backyards and on rooftops all over the world, bees are being raised successfully, even without antibiotics, miticides, or other chemical inputs.More and more organically minded beekeepers are now using top-bar hives, in which the shape of the interior resembles a hollow log. Long lasting and completely biodegradable, a topbar hive made of untreated wood allows bees to...