General anaesthesia causes a shift of the internal clock of honey bees General anesthesia alters time perception by phase shifting the circadian clock,
Proceedings of the National Academy of Sciences
, Volume 109, p.7061-7066, (2012)
[1].

See also:
http://news.sciencemag.org/sciencenow/2012/04/drugged-honeybees-do-the-…
http://medicalxpress.com/news/2012-04-reveals-anaesthesia-jet-lag.html

Foragers have higher levels of some miRNAs in their brains than nurse bees Behavioral plasticity in honey bees is associated with differences in brain microRNA transcriptome,
Genes, Brain and Behavior
, Volume 11, p.660-670, (2012)
[2].

See also:
http://phys.org/news/2012-04-behavior-genes-case-honeybee-assignments.h…

More horizontal dances have greater angular variation than dances performed close to vertical Working against gravity: horizontal honeybee waggle runs have greater angular scatter than vertical waggle runs,
Biology Letters
, Volume 8, p.540-543, (2012)
[3].

See also:
http://www.livescience.com/19742-honeybee-waggle-dance-gravity.html