St Petersburg University biologist talks about how ants build communism on a Heinrich Terahertz podcast; The Hivemind; Dmitry Dubovikoff, Associate Professor in the Department of Applied Ecology at St Petersburg University and an expert in social insects, is the guest of the 12th episode of the popular scientific podcast "Heinrich Terahertz". He talked about the social structure of ant colonies, what kind of ‘societies’ these insects have, and where zombie ants come from. Blood ants, in their turn, which live in the north of Eurasia and North America, are essentially slave owners. "These ants tend to have powerful mandibles and are generally quite large compared to other ants.