Chinese artist and human-rights activist Ai Weiwei has used metal fencing to create three monumental structures, in a campaign against Donald Trump's border-control measures. More about Ai Weiwei protests border walls with huge New York installations
A disdain for trade unions is preventing architects from challenging the industry's low standards of workers' rights, argues Phineas Harper. More about "Middle-class guilt is weaponised to keep architectural labourers from demanding reform"
A symposium taking place at Dutch Design Week later this month will discuss the rapid depletion of the world's sand reserves, which could leave supplies of the high-quality sand used in the glass industry exhausted within 20 years. More about Sand becomes "increasingly scarce and expensive", threatening glassmaking and construction
The New York branch of architecture firm OMA will create an extension to the city's New Museum next to its SANAA-designed home. More about OMA chosen to expand SANAA's New Museum in Manhattan
Dropbox has rebranded to promote itself as a creative platform rather than simply a file-sharing service – but the design has attracted criticism for its use of clashing colours. More about Dropbox criticised for colourful new visual identity
Variously sized openings scattered across the traditional stone and plaster facades of this house in the Swiss town of Ascona provide views of the garden and Lake Maggiore. More about Wespi de Meuron Romeo Architetti uses local stone and plaster for lakeside house in Switzerland
One of the engineers behind Google's self-driving car has established a nonprofit religious corporation with one main aim – to create a deity with artificial intelligence. More about Ex-Google engineer establishes new religion with ambition to develop an AI god
A major new concert venue replacing the Museum of London is to be designed by Diller Scofidio + Renfro, the New York architecture firm behind the acclaimed High Line park. More about Diller Scofidio + Renfro wins contest to design £250 million concert hall for London
With Amman Design Week underway in the Jordanian capital, we're putting a spotlight on the region's rising talent, who are out in force at the young event. More about 10 emerging Jordanian designers shaping the future of the Middle East
A circular skylight in the tip of this pinecone-shaped treehouse by architect Claudio Beltrame in the Italian Alps allows the occupant to gaze up into the starry sky at night. More about Pinecone-shaped treehouse in the Dolomites allows visitors to sleep under the stars
For a Canadian winemaker that uses the pull of gravity in its production process, Olson Kundig Architects has created an angled, metal-clad building that steps down a hillside. More about Olson Kundig embeds gravity-flow winery into British Columbia hillside
This captioned movie features a light installation created by Zaha Hadid Architects on the facade of the baroque Karlsruhe Palace in Germany. More about Zaha Hadid Architects showcases its digital projection skills with light show in Karlsruhe
For World Mental Health Day, we've rounded up eight designs that address the increasingly prevalent topic of mental wellbeing, including a hand-held anxiety reducer and a metaphorical gun that fires tears.
More about Eight thought-provoking design responses to mental health
Online shopping giant eBay has teamed up with specialist retailer Saatchi Art to create an experimental shopping experience, which brings together art and technology to uncover shoppers' subconscious desires. More about eBay launches "the world's first subconscious shopping experience"
Dezeen promotion: furniture brand BD Barcelona Design and arts organisation Creative Dialogue have revealed plans to collaborate with five designers from the Gulf region, in a project that aims to celebrate Arab creativity. More about BD Barcelona champions Arab designers with new collaboration project
Foster + Partners has unveiled plans for an office that will become Budapest's tallest building – which readers are comparing to France's most hated skyscraper in this week's comments update. More about "Budapest will get its very own Tour Montparnasse"
IKEA's first furniture collection designed specifically for pets includes a treehouse-like cat hideaway, and a bowl that encourages dogs to eat slowly. More about IKEA launches first range of furniture for cats and dogs
New York firm Steven Holl Architects has completed a multi-building arts complex for Princeton University, linked by a concourse underneath a large reflecting pool. More about Steven Holl's arts complex for Princeton surrounds courtyard reflecting pool
Chilean architect duo Pezo von Ellrichshausen has worked with Swiss artist Felice Varini to create 16 "outdoor rooms" in Hull, England, featuring steel walls that incorporate optical illusions. More about Pezo von Ellrichshausen installs 16 steel towers in Hull's historic Trinity Square
Dezeen promotion: New London Architecture is now accepting entries for Don't Move, Improve! 2018, a competition to find the best new residential extensions in London. More about NLA seeks London's best new house extensions for Don't Move, Improve! 2018 awards