Milan 2015: photography and product design students at Swiss university ÉCAL have paired up to create interactive objects and installations that investigate the selfie phenomenon (+ movie). More about ÉCAL students examine the selfie at PhotoBooth exhibition
Milan 2015: a machine that converts dog poo into battery power, fashion accessories laced with catnip and a 3D printer that uses ink made from salamander bacteria are among products designed by students from the HEAD Geneva School of Art and Design. More about Geneva students make ink from salamanders and electricity from dog poo for Milan show
Milan 2015: London designer Lee Broom has joined together three shops on Milan's Via Alfredo Cappellini to create a faux department store for displaying his latest products (+ slideshow). More about Lee Broom's fake department store installation opens in Milan
Milan 2015: over 100,000 metres of translucent white fabric is cut into strips to create this tunnel-like installation by New York studio Snarkitecture for fashion brand COS (+ movie). More about Snarkitecture creates warren of textile ribbons for COS
Milan 2015: Scholten & Baijings has covered a selection of Herman Miller furniture in fabric that features a nine-metre repeat of geometric patterns (+ slideshow). More about Scholten & Baijings upholsters Herman Miller seating in gridded fabric
Architecture studio Akoaki has created an angular aluminium pod called The Mothership, which contains a DJ booth for staging pop-up events and funk concerts in Detroit's North End neighbourhood (+ slideshow). More about The Mothership by Akoaki is a mobile DJ booth for playing funk on the streets of Detroit
Visitors to a park in Xiangyang are greeted by over 500 bright purple fins, which are dotted with LEDs and play traditional Chinese music from internal speakers (+ slideshow). More about Penda creates landscape of purple pillars for audio-visual installation in a Chinese park
Curved wooden benches and stools "grow" from a gridded floor of dyed timber installed in the sculpture gallery at English stately home Chatsworth House. More about Raw Edges installs dye-soaked wooden floor across 19th-century sculpture gallery
Hong Kong designer André Fu has installed glass cubes and a miniature zen garden on one of the city's piers to create a presentation space for fashion brand COS. More about André Fu creates "modern Asian" installation for COS presentation in Hong Kong
London department store Selfridges has opened concept retail spaces free from gender directives, created by designer Faye Toogood (+ slideshow). More about Faye Toogood designs gender-neutral retail spaces for London's Selfridges
British sculptor Antony Gormley has filled a Parisian gallery with an impenetrable structure made from grids of steel, and an army of figures made from stacked metal cubes (+ slideshow). More about Antony Gormley occupies French gallery with monumental metal sculptures
Cascades of water tumbled from scaffolding-supported troughs into a pool at the centre of the catwalk for British outerwear brand Hunter's London Fashion Week show (+ slideshow). More about Waterfalls flow over catwalk at Hunter fashion show
Dutch designer Daan Roosegaarde has created a lighting installation that resembles the aurora borealis above a flood channel of the Netherlands' River IJssel (+ slideshow). More about Daan Roosegaarde's Waterlicht installation mimics northern lights in Dutch skies
Models wearing hazard-striped garments stood still as conveyor belts transported them past guests at House of Holland's London Fashion Week presentation (+ slideshow). More about Travelator catwalk carries models around House of Holland fashion show
Vertical wooden laths cyclically pummel the floor of a cavernous New York factory building in this installation by Swiss artist Zimoun (+ movie). More about Wooden poles randomly strike the ground at Zimoun's installation in New York
A section of tarmac appears to have been peeled back from the surface of a car park at London's Southbank Centre, suspending a car upside down in artist Alex Chinneck's latest illusionary installation (+ slideshow). More about Parked car is upended on a tarmac wave in Alex Chinneck installation
Lengths of delicately woven fabric were draped over metal skewers at this Tokyo exhibition about the tradition of hemp textiles in Japan (+ slideshow). More about Yusuke Seki showcases fragile hemp textiles across banks of metal rods
White balloons spill out the windows and doors of a house, invade a golf course and overflow from a burnt-out car in a series of installations by French artist Charles Pétillon (+ slideshow). More about Charles Pétillon fills abandoned spaces with white balloons
A pedestrian bridge in Bristol, England, is the latest architectural landmark to be enveloped in fog by Japanese artist Fujiko Nakaya (+ slideshow). More about Fujiko Nakaya hides Bristol bridge inside a blanket of fog
This ceiling-mounted installation by Italian architect Carlo Ratti uses motion tracking to direct personalised "clouds" of water vapour at anyone walking beneath. More about Carlo Ratti's Cloud Cast directs a cooling mist over passersby