The spaces behind the iconic illuminated signs of London's Piccadilly Circus are set to be occupied for the first time since the 1950s, as part of a renovation by Fletcher Priest Architects that includes a huge rooftop extension. More about Fletcher Priest wins approval for major Piccadilly Circus redevelopment
Children's suitcase brand Trunki has lost its legal battle with Hong Kong rival Kiddee, after the UK's Supreme Court ruled that design rights had not been infringed. More about Trunki loses design rights battle against "rip-off" Kiddee
BMW's shape-shifting concept vehicle, French architect Odile Decq's "bubble house" renovation (pictured) and Calais' Jungle refugee camp feature in the latest edition of Dezeen Mail.
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More about Dezeen Mail issue 296 features this week's biggest stories in architecture and design
Italian fashion house Valentino has continued its collaboration with British architect David Chipperfield for its new flagship boutique on London's Old Bond Street (+ slideshow). More about David Chipperfield creates "palazzo atmosphere" for Valentino store in London
Fibre-cement shingles cover this gabled barn in northeast France, which GENS: Association Libérale d'Architecture has converted into five apartments (+ slideshow). More about Cement shingles create scaly facade for French barn conversion by GENS
Optical light screens created mirrored rainbow effects at Dutch designer Iris van Herpen's Autumn Winter 2016 fashion show in Paris, which featured intricate garments that looked like soap bubbles (+ movie). More about Iris van Herpen creates "bubble-like exoskeleton" dresses for Autumn Winter 2016 collection
Studio Alexander Fehre used different wall and ceiling finishes to define the spaces of this 45-square-metre flat in central London. More about Alexander Fehre adds bright colours and patterned wallpapers to small London flat
Portuguese studio Aboim Inglez Arquitectos has converted and extended a century-old farmhouse near Lisbon to create a series of holiday homes overlooking the Alentejo plains (+ slideshow). More about Aboim Inglez Arquitectos adds bright white extension to farmhouse in rural Portugal
Thousands of metal marbles tumble through this wooden contraption by Swedish musician Martin Molin, which is operated with gears to produce different sounds and create tunes (+ movie). More about Wintergatan Marble Machine plays music with metal balls
Mitsuharu Kojima Architects has created a sloped green floor inside a house in Japan's Gunma Prefecture, intended to be reminiscent of a grassy hillside (+ slideshow). More about Mitsuharu Kojima creates curved grass-like floor inside Japanese family house
Cocoon9, an American designer and manufacturer of prefabricated dwellings, has created a collection of micro homes, with the smallest one starting at 15 square metres (+ slideshow). More about Prefabricated tiny homes by Cocoon9 designed to meet demand for "efficiency and luxury"
Geneva Motor Show 2016: American manufacturer Goodyear has unveiled a concept for a "visionary" sphere-shaped tyre that could make driverless cars safer and smoother to run (+ movie). More about Goodyear reveals spherical tyres for self-driving cars
Huge Japanese architecture firm Nikken Sekkei and Barcelona studio Pascual i Ausió Arquitectes have been selected to renovate the Camp Nou stadium, home of FC Barcelona. More about FC Barcelona selects Nikken Sekkei team to overhaul Camp Nou stadium
A team led by Grimshaw has unveiled its contest-winning design for a race course and horse "theme park" in South Korean city Yeongcheon. More about Grimshaw wins contest for South Korean horse "theme park" and race course
Rotterdam studio Kraaijvanger has designed a modular kitchen and bathroom unit that can be inserted into an empty building to turn it into a residence (+ slideshow). More about Abandoned buildings can be converted into homes with modular kitchen and bathroom block
Reigning Formula One world champion Lewis Hamilton has described a proposed head-protection device fitted to the front of the racing cars as the "worst-looking" design modification in the sport's history. More about Lewis Hamilton slams Formula One safety feature designed to protect drivers' heads from debris
Rio 2016: Danish firm Henning Larsen Architects has unveiled designs for a beach-side pavilion in Rio de Janeiro, which will host sporting, music and culinary events during this year's Olympic Games. More about Henning Larsen reveals maritime-inspired pavilion for Rio 2016 Olympic Games
The US Department of State has announced that Chicago-based Studio Gang Architects has been selected to create a new American embassy compound in Brasilia, the Brazilian capital city designed by planner Lucio Costa and architect Oscar Niemeyer. More about Studio Gang chosen to design new US embassy in Brasilia
Canadian studio Naturehumaine has used a palette of raw materials to emphasise the "structural guts" of the building that accommodates this Aesop store in Montreal (+ slideshow). More about Naturehumaine designs "deconstructed" interior for Aesop store in Montreal
Over 100 new tall buildings have been proposed for the British capital in the last year, but only a small number are actually being built, according to the latest industry research. More about London's skyscraper boom continues with 119 new towers in the pipeline