This week's Dezeen Mail features Álvaro Siza's first US project, a minimally designed toothbrush and London's best house extension (pictured).
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More about Dezeen Mail issue 290 features this week's biggest stories in architecture and design
Dutch fashion house Viktor & Rolf has continued its "wearable art" theme with an haute-couture collection of sculptural white garments made from Cubist facial features. More about Viktor & Rolf mixes Picasso and polo shirts for Spring Summer 2016 haute couture
Dezeen promotion: the UK's National Trust is calling upon designers to produce a visitor experience at a historic stately home, as part of its project to "redefine the country house". More about Call for entries to National Trust's Croome Redefined competition
A change to building regulation codes in Australia means that architects will be allowed to build timber-framed structures up to eight storeys in height for the first time. More about Australia becomes latest nation to embrace wooden high-rise buildings
Hall McKnight, 6a Architects and DRDH Architects are among the studios to have revealed their shortlisted designs for the overhaul of St Hilda's College at the University of Oxford (+ slideshow). More about Five shortlisted concepts unveiled for extension to Oxford University college
Plans to overhaul the area surrounding Copenhagen's Bella Center – the location of biannual design fair Northmodern – aim to turn the neighbourhood into a year-round creative hub (+ slideshow). More about Copenhagen's Bellakvarter development will "further strengthen" Danish design industry
Business news: American media company Architizer has received $7 million to develop an online products marketplace for architects that aims to be as revolutionary as Airbnb and Uber. More about Architizer raises million to launch online products marketplace
Dezeen promotion: there is still time to submit entries for the 20th annual Webby Awards, which honours the best of the internet. More about Last chance to enter The Webby Awards 2016
A pair of hollow red pyramids support the weight of these bridges that span the mouth of the river Elliðaár in the Icelandic capital (+ slideshow). More about Red pyramids frame pedestrian and cycle bridges in Reykjavík by Teiknistofan Tröð
Greek artist Eleftheria Stamati's metal necklace pendants resemble outlines of three-dimensional Tetris blocks. More about Eleftheria Stamati evokes architectural forms with The Mechanics of Black jewellery
Cutaways in the brick facade of this family home by Seoul studio OBBA provide views over a small walled garden in the city's high-density Gangnam neighbourhood (+ slideshow). More about Deep-set windows maintain privacy for overlooked Gangnam residence by OBBA
CES 2016: LA-based augmented reality company Daqri has unveiled a smart hardhat that gives workers additional layers of information about their surroundings (+ slideshow). More about Daqri's augmented-reality construction helmet aims to "change the nature of work"
A disused grain silo in Malmö is converted into a crematorium and "vertical cemetery" in this proposal by Swedish architecture students Fredrik Thornström and Karolina Pajnowska. More about Lund University students envision Malmö silo transformed into a crematorium
A group of students from London's Royal College of Art have designed a prototype coat for refugees that transforms into a tent or a sleeping bag (+ movie). More about RCA students design wearable dwelling for Syrian refugees
A pair of museums entirely dedicated to French fashion designer Yves Saint Laurent's life and work are set to open in Paris and Marrakech in 2017, including a new building by Studio KO (+ slideshow). More about Two new museums will pay homage to Yves Saint Laurent
Triangular facets of perforated red metal frame the entrance to this cultural centre, completed by Paris studio Périphériques for a town in northwest France (+ slideshow). More about Faceted red metal creates sculptural facade for music centre by Périphériques
Business news: creative industries in the UK are now worth £84.1 billion per year to the country's economy, according to new government figures. More about UK's creative industries generate almost £10 million per hour
Competition: Dezeen has teamed up with the Royal Institute of British Architects to give 10 readers the chance to win tickets for lectures by Zaha Hadid and Peter Cook, and workshops with Bjarke Ingels and Grayson Perry. More about Competition: win tickets to Gold Medal masterclass and lecture days at the RIBA
Maison&Objet 2016: French fashion designer Jean Paul Gaultier has plucked his initials from a collection of alphabet-shaped chairs and used a distressed-looking fabric to upholster them. More about Jean Paul Gaultier customises Typographia chairs by Tabisso with rust-patterned upholstery
New York office Studio KCA has created a conch-shaped, metal pavilion for NASA that provides visitors an opportunity to listen to the sound of satellites orbiting the earth (+ movie). More about Orbit Pavilion by Studio KCA broadcasts sounds of NASA satellites in outerspace