Worker ants, despite their diligence, seldom encounter opportunities for social mobility. In many species, individuals adhere to strict caste roles: queens lay eggs and workers take care of almost ...

A new study in ants identifies a peptide that plays an important role in regulating reproduction. This research illuminates a potential trajectory for the evolution of distinct social castes -- ...

Genetic diversity is essential to the survival of a species. It’s easy enough to maintain if a species reproduces sexually; an egg and a sperm combine genetic material from two creatures into one, ...