
Biologists have discovered that one of nature’s most important pollinators – the buff-tailed bumblebee – either ascends to the status of queen or remains a lowly worker bee based on which genes are ‘turned on’ during its lifespan.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/dxLpBs7yXPQ/150526085345.htm