From left, Francisco López Jiménez, Orit Peleg and graduate student Richard Terrile inspect the honeycomb in a bee hive. On a hot summer day in Colorado, European honeybees (Apis mellifera L.) buzz ...

Honey bees must make it back to their hives before dusk to avoid individual bees becoming lost or exposed to nighttime dangers. Forager bees sleep overnight so that they are ready to work the ...