A floor that doubles as a toy box and a vivid yellow bathtub both feature inside this remodelled Melbourne house by local studio Austin Maynard Architects (+ slideshow). More about Revamped Melbourne house hides a giant toy box under its floors
This enclosed bridge with a geometric black and white facade connects a hotel to the Metro Toronto Convention Centre, helping visitors pass between the two even in the depths of winter. More about Covered bridge provides all-weather connection between Toronto hotel and convention centre
Maison&Object 2016: twelve designers including Jaime Hayón, Constance Guisset and Nika Zupanc have created trinkets and accessories for Italian ceramics brand Bosa's latest gift collection (+ slideshow). More about Bosa launches Forget Me Not ceramic gifts at Maison&Objet
New York's Museum of Modern Art has simplified plans for an expansion by Diller Scofidio + Renfro that will include the site of the now demolished American Folk Art Museum Building designed by Todd Williams and Billie Tsien. More about MoMA scales back expansion by Diller Scofidio + Renfro in New York
Amsterdam's Occult Studio has based the interior of this eyewear store in Utrecht on minimal exhibition spaces, creating a stage for campaign images and collaborations with artists. (+ slideshow). More about Occult Studio models Ace & Tate eyewear store on contemporary art galleries
Set between two plateaus, this Alpine aquatic centre by German firm Auer Weber features wide crescent-shaped windows overlooking the piste of popular ski resort Courchevel (+ slideshow). More about Auer Weber completes aquatic centre with a sloping roof in the French Alps
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