By working together, social insects are able to fix a small failure before it becomes a larger one.
Pro-infrastructure and pro-enterprise, the newly-elected mayor has the policies to keep London a global financial centre.
Changing political and social demographics mean no-one is able to take the complex and diverse western Sydney region for granted.
A new millennium-long record reveals that Australia has suffered longer droughts and wet periods than those recorded in the past century's weather observations.
What are the key policy issues on which the 2016 federal election will be fought?
Much of the infrastructure Australia needs will be funded by "value capture" – raising tax revenue by boosting land values. Some have decried it as a tax hike in all but name, but it isn't really.
The budget paints a picture of higher debt, little relief for growing cities crying out for infrastructure investment, and no detail of how City Deals might work to fix this.
On reform, the 2016-17 budget is a holding one, with tinkering on the sides.
Big infrastructure projects are seen as an electoral and economic drawcard; but the history of management of these assets is mixed.
How can we tell whether we have an infrastructure deficit? And if we do, how big is it?
Victoria's big-spending budget will fund education and services, but infrastructure is the big winner.
Cycling could be a major part of the solution to London's transport problems – it's a shame the main mayoral candidates don't see it that way.
In his ministerial reshuffle earlier this year, Malcolm Turnbull made Angus Taylor, an up-and-coming Liberal MP, the assistant minister for cities and digital transformation.
The work of David Aschauer could help the government put a more positive spin on spending.
A fast rail link between Sydney and Melbourne was first proposed in 1984. So why haven't we done it yet?
If the system was fixed project funding would be more likely to be based on merit.
Big new investors such as the Asian Infrastructure Development Bank are key players in a worldwide infrastructure, and that could be bad news for the environment.
Poor project selection is undermining economic growth in Australia.
How did urban public transport in America, like much of our infrastructure, get to be in such bad shape? Will millennials help turn it around?
Would you take a longer route to work for the good of all?