Category Archives: Biology

Simulating Infectious Diseases in Large Cities

TweetWe published quite a high profile paper this week in The Lancet Infectious Diseases. Anders Johansson, myself and colleagues wrote a speculative paper on how to generalise the dynamics of SIR (spatial epidemics) models from pedestrian crowding models as part … Continue reading

Posted in Agent-Based Models, Biology, Flows, Fluxes, Simulation, Uncategorized | Leave a comment

Cities as Organisms

Tweet You go to conferences and learn about older papers that you should have known about. This short article from 1999 by Thomas Graedel poses the key issues about energy, ecosystems and cities, part of a series from the National … Continue reading

Posted in Biology, energy, Evolution | Leave a comment

The Heartbeat of the City

Tweet Inspired by Victor Gruen’s heart of the city posted here a little while ago, Jon Reade’s 24 hour movie of traffic on London’s railways (tube+overground) moves us a little closer to Leonardo’s analogy of the city as body. More biology … Continue reading

Posted in Biology, Flows, Fluxes, Networks, Transport | Leave a comment

On Complexity

Tweet Nobel Prize Winner Herbert Simon said, in one of his last contributions: “The theory of complex systems is perhaps going to look more like biology, with its myriad of species and of proteins, than physics, with its overreaching generalizations.” … Continue reading

Posted in Biology, Complex Systems | Leave a comment