A timber-lined loft renovation, a seven-square-metre extension and a triangular room feature among the 30 projects shortlisted in a competition to find London's best home extensions. More about London's best new house extensions revealed in Don't Move, Improve! 2018 shortlist
Kicking off our review of 2017, editorial assistant Natasha Levy picks the best staircase design from the past year, including a huge spiral stair lined with copper and set of steps made from 2,000 pieces of plywood. More about Dezeen's top 10 staircases of 2017
Seoul-based studio Orijeen has designed a collection of colourful furniture, which appears to change shades depending on the viewing angle. More about Orijeen's rainbow-hued furniture uses lenticular surfaces to change colour
AvroKO has transformed an art-deco building in London into a members-only work and leisure destination, aiming to combine the perks of a private club with those of a co-working office. More about AvroKO creates art-deco-inspired interiors for new London members' club Mortimer House
The backdrop for OK Go's latest music video is formed from a wall of printers, which were each choreographed to produce hundreds of sheets of colourful paper. More about Kaleidoscopic visuals and choreographed printers feature in OK Go's new music video
The production and consumption of food needs to be radically rethought if we are to feed the world's population, according to designer Marije Vogelzang. More about "We need creative ideas to change the food system" says Marije Vogelzang
A home referencing the hop-drying towers of the Kent countryside, designed by British architects James Macdonald Wright and Niall Maxwell, has won the RIBA House of the Year 2017 competition. More about Caring Wood country home in Kent named UK House of the Year 2017
Filmmaker Julian Rosefeldt transforms German industrial landmarks into "alienated places" for his latest film, which sees actor Cate Blanchett take on 13 personas while reciting art declarations. More about Julian Rosefeldt celebrates "anti-architecture" in new movie Manifesto
Design Academy Eindhoven graduate Mark Henning has created an experimental toolkit for testing and training the perfect handshake, which he imagines being used in an immigration office. More about Mark Henning creates handshake training station that could be used to help immigrants integrate
Architecture firm Michael Hennessey has refreshed a 1960s house in California built by Joseph Eichler, the father of America's modernist housing subdivisions. More about Michael Hennessey brings mid-century details back to Eichler house in San Francisco
Architecture firm Snøhetta has designed a residential skyscraper for Manhattan's Upper West Side, which will feature an angular terrace cut into its side. More about Snøhetta unveils "chiselled" New York tower with bronze details
In a mountainous valley in British Columbia, design-build firm Studio North has created an elevated A-frame dwelling that is meant to be used by campers and birds. More about Birds and humans share wooden treehouse in western Canada by Studio North
Designer Klemens Schillinger has created a set of therapeutic phone-like objects, to help smartphone addicts cope with being away from their devices. More about Klemens Schillinger's Substitute Phone aims to help overcome smartphone addiction
Brazilian architecture studio TRIA Arquitetura has overhauled a 27-square-metre apartment in São Paulo, with the aim of making the space more adaptable to its tenants. More about TRIA Arquitetura creates flexible living spaces within compact São Paulo apartment
Work has completed on Tribunal de Paris – a tiered skyscraper, designed by Renzo Piano Building Workshop to become the largest law complex in Europe. More about First photos emerge of tiered tower built by Renzo Piano to house Paris law courts
Architecture firm Hawkins\Brown used two types of engineered timber to build this swimming facility at a school in Surrey, England. More about Hawkins\Brown uses engineered wood to build swimming pool for City of London Freemen's School
Designers have the power to solve the world's problems, but it may mean creating more systems and less stuff, says Dutch designer and environmentalist Babette Porcelijn. More about We need designers, not scientists, to show us how to change the world, says Babette Porcelijn
New York's empty walls could be covered with honeycomb-like clusters of pods to house the city's growing homeless population, as part of this proposal by creative agency Framlab. More about Framlab proposes parasitic hexagonal pods to sleep New York's homeless
The visitor centre designed by Foster + Partners as part of Apple's new California headquarters has welcomed its first guests. More about Foster + Partners' Apple Park Visitor Center opens to the public
The products that designers help create are the biggest contributors to climate change, according to research presented at our Good Design for a Bad World talks at Dutch Design Week last month. More about Mobile phones and other industrial products have "the number one impact" on climate change