A colossal iron staircase bursts through the medieval stone walls of this fortified tower in rural Italy and into a copper-clad extension, as part of a renovation by local studio Gianluca Gelmini (+ slideshow). More about Gianluca Gelmini inserts an angular iron staircase inside a medieval Italian fortress
Milan 2015: Polish designer Martyna Barbara Golik has created a collection of textiles based on the different categories of flavour the mouth can taste (+ movie). More about Martyna Barbara Golik translates tastes into textiles
Tasked with designing a house that doesn't take over its whole site, Swiss architect Christian von Düring created a timber-clad upper storey that straddles two smaller ground-level structures (+ slideshow). More about Christian von Düring completes a house designed to function like a bridge
Photo essay: Canadian photographer Christopher Forsyth has spent the last seven months shooting the subterranean stations that make up Montreal's four-line metro system (+ slideshow). More about Christopher Forsyth embarks on a project to document all of Montreal's metro stations
British artist Steve Messam has installed a weight-bearing bridge across a stream in the UK's Lake District using 20,000 sheets of bright red paper (+ slideshow). More about Steve Messam creates crimson bridge from 20,000 sheets of paper
A concrete staircase with a granite surface is suspended inside the atrium of this house in Porto Alegre, Brazil, which is divided into two parts connected by a bridge (+ slideshow). More about Casa 2V by BR3 Arquitetos features a bridge, a courtyard and a granite-topped staircase
Competition: Dezeen has teamed up with Frame publishers to offer readers the chance to win one of five new books that explore the use of craftsmanship in "postdigital" design. More about Competition: five Postdigital Artisans books by Jonathan Openshaw to be won
To celebrate opening our New York office, we've gathered together some of the most impressive examples of American residential architecture from the pages of Dezeen and added them to a new Pinterest board.
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More about New Pinterest board: American houses
The four buildings that make up this affordable housing development in Santa Monica, California, all feature mint-green solar shades on their facades, and are organised around a "starfish-shaped" courtyard (+ slideshow). More about Kevin Daly Architects builds a low-cost housing community in Santa Monica
Competition: to celebrate the launch of our New York office, Dezeen has teamed up with designjunction to give one of our New York readers the chance to win 15 products, including Muuto furniture and a Tokyobike (+ slideshow). More about Competition: win 15 products from brands showing at designjunction edit New York
These clothes by Dutch designer Jeffrey Heiligers are structured to correct poor posture caused by slouching while typing. More about Jeffrey Heiligers tailors Posture garments to prevent hunched backs
Music: French director Porthé has animated a series of cubes to zoom out from the scale of an atom to a whole universe for this video for producer 20syl. More about Porthé's cubic animation for 20syl music video zooms from micro to macro
This house in Spain by architect Ramón Esteve is fronted by solid stone walls, behind which rooms are organised around a swimming pool and terrace (+ movie). More about Casa El Bosque is a house flanked by stone walls on the edge of a Spanish forest
Porto studio Moradavaga has built a tower covered in tin cans that can be rotated to create pixellated messages, resembling those on train station departure boards (+ slideshow). More about Moradavaga uses spinning tin cans to turn a tower into an interactive billboard
British designer Sebastian Bergne has created a "micro laboratory" that enables users to form different beverage flavours by adding aromas, spices and other ingredients to heated milk (+ slideshow). More about Sebastian Bergne's Hot Milk Lab encourages flavour experiments
Google's self-driving car, a proposal for clearing plastic waste from the world's oceans and a concrete university building in Santiago are among the category winners for this year's Designs of the Year awards. More about Designs of the Year 2015 category winners announced
American architecture firm SOM has completed work on a controversial 50-storey hotel and condominium tower on a site directly opposite New York's Museum of Modern Art. More about SOM's Baccarat tower in New York overlooks MoMA's sculpture garden
This week on Dezeen we reported on David Chipperfield's plans for London's Royal Academy of Arts, the Mies van der Rohe Award winner for 2015 and the "world's first" multi-storey skatepark. Click through for a roundup of architecture and design news from the past seven days. More about This week on Dezeen
British architect David Adjaye has filled the largest exhibition space at the Venice Biennale with a temporary museum and has also created a live events space for a seven-month reading of Karl Marx's Das Kapital (+ slideshow). More about David Adjaye creates temporary museum for Venice Art Biennale 2015
After almost five years in the making, architecture studio FAT and artist Grayson Perry have completed their fairytale-inspired Essex holiday home, which was designed as a shrine to the fictional character Julie Cope (+ slideshow). More about Grayson Perry and FAT reveal the elaborate interiors of their House for Essex