In a recent interview, Spiegel speaks candidly with three architects who have one thing in common: projects in Germany plagued by severe delays and spiralling costs. Christoph Ingenhoven is head of Ingenhoven Architects, designers of train station Stuttgart 21. Meinhard von Gerkan of Gerkan, Marg and Partners is responsible for the Berlin Brandenburg International Airport, and finally Pierre de Meuron represents Herzog & de Meuron, designers of Hamburg's Elbphilharmonie.

These projects are well known in Germany as much for their designs as for their construction costs, and Spiegel is not shy about getting to the bottom of these controversies. Of course, the architects themselves have their own ideas about the bad press (namely that they're being unjustly blamed). Meinhard von Gerkan, for example, says:

"It's a big mistake to voluntarily serve as a figurehead, because then everyone knows whom to target. We are these figureheads, not the clients and not the construction companies. And we are liable for everything."

More of these gems from the architects, after the break....

In this interview by Hugo Oliveira, Álvaro Siza presents his ideas on the link between obsolescence and quality in architecture, and the role that a design's flexibility plays in this relationship. He argues that the convent is perhaps the best example of a typology which is both fit for purpose and very flexible, allowing myriad other uses when its lifespan as a convent has ended. He also laments the current tendency to design a building for a very short period of time - intended to last only as long as it is needed for its original function. He links this tendency back to the Futurists of the early 20th century, where the idea was that "each generation makes its own environment which is later destroyed", an idea he dismisses since "it also allows you to build badly because it only needs to last twenty years".

In the latest episode of his 99% Invisible podcast, Roman Mars bravely takes on a very sensitive topic: the design of prisons which contain execution chambers or house prisoners in solitary confinement. More specifically, the podcast discusses whether architects have a moral duty to decline these commissions and whether, as a profession, architecture should have a code of ethics which prevents registered architects from participating in such designs.

He compares architecture to the medical profession, where the American Medical Association imposes an ethical code on its members which all but forbids them from taking part in execution by lethal injection, based on medicine's general aim of preservation, rather than destruction of life. The American Institute of Architect's ethical code is both generic and meager in comparison: “Members should uphold human rights in all their professional endeavors.”

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"Our research integrates computational form-finding strategies with biologically inspired fabrication", claims the 'about' page of MIT Media Lab's Mediated Matter Group. Though this may sound like run-of-the-mill architectural boasting, you are unlikely to find any more exemplary combination of scientific research, digital design and biomimetic construction than their recently completed Silk Pavilion.

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In this talk at TED 2013, WikiHouse co-founder Alastair Parvin elaborates on some of the ideas which he presented in 2012. WikiHouse is his project to create an open-source library of houses which can be downloaded, manufactured with a CNC machine and assembled in a day - an idea which he hopes will democratize the production of housing and the city as a whole - as he puts it, "In a way it should be kind of obvious that in the 21st century maybe cities could be developed by citizens".

A recent report by the UK Architectural Education Review Group has highlighted the high cost of education as a barrier which prevents less wealthy students from accessing the profession, reveals BDonline. Among a number of concerns raised about the current state of architectural education, it says that the cost to study architecture in the UK could "create an artificial barrier to the profession based solely on a student’s willingness to accept high levels of personal debt".

Architecture has long been seen as a pastime of the wealthy, as evidenced by Philip Johnson's claim that "the first rule of architecture is be born rich, the second rule is, failing that, to marry wealthy". However, the report acknowledges the fact that making the profession open to people of all backgrounds is not only a moral imperative, but will be vital to bring the best talent into the field.

Read more about the barriers surrounding the profession of architecture after the break

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Among the extensive discussion of Feilden Clegg Bradley's scheme to redesign the Southbank Centre in London, one issue which has sometimes been ignored by the architectural media has been the proposal to relocate the skate park in the under-croft of the Queen Elizabeth Hall to a space beneath the nearby Hungerford bridge.

Unsurprisingly, this decision has sparked a petition which has collected nearly 40,000 signatures to save one of the UK's most famous skating hotspots. We’ve talked about how skaters can teach architects about understanding space before; however, in this instance I would like to examine how skaters as a (sub)cultural entity interact with the city, and how the city can cater to their needs. Though many architects are already in favor of accepting skaters, I hope to explore why the wider community tends to see skating as a problem to be solved, and what this can reveal about the proposal at the Southbank Centre.

Read on to find out more about the peculiar way skaters experience cities

At just a little over 50 years old, the University of California San Diego is one of the younger college campuses in the United States, but despite this it is one of the most architecturally fascinating universities around. In the official UCSD campus guide, Dirk Sutro emphasizes that "UCSD does not have a single example of the historical-revival styles prevalent at other University of California campuses... and at San Diego's two other major universities". The history of UCSD architecture is one of ambition, which has made the campus a display case of modernism in all of its forms from the last half a century.

Thanks to photographer Darren Bradley, we can now share this history and a selection of the exciting structures it has produced.

Find out more about the UCSD campus after the break

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Most parking is free - but that doesn’t mean it doesn’t have a high cost. A recent podcast from Freakonomics Radio examined parking in US cities, investigating the “cost of parking not paid for by drivers” - a cost paid not just by the government, but by the environment - due to congestion and pollution caused by people searching for kerbside parking. For example, in a 15 block area of Los Angeles the distance traveled by drivers looking for parking is equivalent to one trip across the USA per day.

One potential solution which they discuss is a San Francisco project called SF Park, which makes use of sensor technology to measure the demand for parking in certain areas of the city and adjust price according to demand. In theory, this would create a small number of empty spaces on each block and dramatically reduce the time that many drivers spend cruising for parking spaces.

Though the idea is certainly an intelligent approach to the problem of kerbside parking, unsurprisingly all this talk of supply, demand and pricing sounds very much like an economist's answer to a problem. But what can designers do to help the situation?

Perhaps, from the designer’s point of view, the real problem with kerbside parking and surface lots is that they are always seen as a provision “coupled with” a building or area of the city. There have been a number of attempts by architects – some successful and some tragically flawed – to make parking spaces less of a rupture in a city's fabric and more of a destination in themselves. Could these point to another way?

Read about 3 examples of parking’s past, and one of its potential future, after the break...

A recent survey by the RIBA of over 2,100 UK practices revealed there is now a widening gap between 'massive' and 'micro' practices, with a 'squeezed middle' in between, as reported by BD.

This was the first mandatory survey of its members conducted by the RIBA, and gives a glimpse, for the first time, into the workings of every chartered UK practice. The RIBA's executive director of membership and profession Richard Brindley described the findings as a "tale of two professions operating in different universes". The polarized profession is most damaging to the practices in the middle; those of 10-50 employees which are large enough to have costly overheads, but not large enough to absorb them.

Large practices, employing 50 people or more, include just 3% of practices, but, thanks to their size, include 40% of registered architects. At the other extreme are practices of 10 employees or less, who account for 53% of practices despite employing a meager 10% of architects. The survey found that the majority of practices employs fewer than six people.

Read on for more results and analysis of the survey