News: research group Future Cities Catapult and tech company Microsoft have developed a headset that sends the wearer three-dimensional sound information in a push to make urban areas more navigable for blind people (+ movie). More about Headset creates "3D soundscape" to help blind people navigate cities
Opinion: sometimes it becomes important to save a building that doesn't seem to work. Such is the case for Michael Graves' Postmodernist exemplar, the Portland Building, says Alexandra Lange. More about "History does change perception"
An umbrella by design firm Nendo that can stand up on its own, reactions to a bolt falling from Richard Rogers' Leadenhall Building and new images of the One World Trade Center in New York (pictured), feature in Dezeen Mail issue 227. Click through for all the latest news, jobs and reader comments from Dezeen.
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Here She Comes is a smooth, jazz-inflected chill-out track by San Francisco band The Warheads.
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Dutch Design Week 2014: Design Academy Eindhoven graduate Merel Witteman has created a photo series that includes images of stepping in poo and a dead rodent skewered on a fork to explore our fascination with being disgusted. More about Merel Witteman's Aversive Aesthetics photos are designed to trigger disgust
Patterned floor tiles mark out the original layout of this 1930s apartment in Barcelona, restored by local architecture student Adrian Elizalde. More about Adrian Elizalde renovates 1930s tiled apartment in Barcelona
News: Danish studio NORD Architects has released designs for a new Marine Educational Centre in Malmö, Sweden, comprising a 700-square-metre visitor centre with a large overhanging roof structure that covers an external aquatic learning environment. More about NORD Architects unveils designs for Marine Educational Centre in Malmö
News: two steel bolts have broken on Richard Rogers' Leadenhall Building in London, causing the area around the base of building to be cordoned off to pedestrians despite assurances that the building remains safe. More about Steel bolts break on Richard Rogers' Cheesegrater tower
News: Danish studio COBE has unveiled its designs for an extension to the Red Cross headquarters in Copenhagen, comprising a large triangular structure that rises up from the ground at an angle to meet the existing building. More about COBE reveals competition-winning Volunteer House design for Danish Red Cross
News: Chicago studio Studio Gang Architects has revealed plans to convert a decommissioned power plant in Wisconsin, USA, into new facilities for an arts college (+ slideshow). More about Studio Gang to regenerate former power plant as a student centre
This blackened-timber house by Japanese studio Yoshio Ohno Architects is sat on top of a sloping concrete retaining wall (+ slideshow). More about Yoshio Ohno's black timber house straddles a concrete escarpment in Hiroshima
Dutch Design Week 2014: domed porcelain vases in this trio by Dutch studio Oato have identical hexagonal footprints so they can be arranged together without any gaps in between (+ slideshow). More about Oato's porcelain vases fit together to form miniature "landscapes"