Breeding bees with "clean genes" could help prevent colony collapse, suggests a new study. Some beehives are "cleaner" than others, and worker bees in these colonies have been observed removing the sick and the dead from the hive, with at least 73 genes identified related to these hygiene behaviors.

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Breeding bees with "clean genes" could help prevent colony collapse, suggests a new study. Some beehives are "cleaner" than others, and worker bees in these colonies have been observed removing the sick and the dead from the hive, with at least 73 genes identified related to these hygiene behaviors.