GREEN
05/15/2010 05:12 am ET Updated May 25, 2011

Bee Swarms Are Led By 'Pied Pipers'

By buzzing a "piping" signal the bees are able to initiate an explosive departure from the hive.

Bees are known to use signals to tell the colony when to swarm but which bees had the power to make this decision was unclear.

Now scientists have identified a small oligarchy of individual bees that hold the key to swarm behaviour.

Read more on BBC