Ferrovores: the iron eaters in Antennae

Issue 59 of antennae – the journal of nature in visual culture is now out on the theme Microbial Ecologies. It is an extraordinary collection of multidisciplinary practices, approaches, methodologies, and conceptions to help us see and value the microbial worlds that until recently have remained invisible. As editor Giovanni Aloi says, “It is only by recognizing and engaging with microbial agencies that fuller networks of interconnectedness will enable us to tell the stories we truly need for our time and for the future.”
I’m delighted to have a piece in this edition. Ferrovores: the iron eaters is an extended version of the text of my video The Ferrovores.
Iron is the most common metal on earth. Indeed, it forms much of the molten core of the planet which in turn generates the earth’s magnetic poles. The red soils of the world are due to iron. At a biochemical level, iron is essential for human life, amongst other things, making our blood red. In the societal domain, iron is essential for manufacturing, electricity generation, and much more. Certain bacteria can derive energy for life directly from dissolved iron compounds (“rust”) rather than from oxygen as we do. Perhaps, at … Click here for more.