Designer Zhekai Zhang has developed a method of staining porcelain with used coffee grounds to mimic the texture of marble, and applied the technique to a collection of lamps called Coffire. More about Zhekai Zhang uses waste coffee grounds to create marble effect on Coffire lamps
Dezeen promotion: Spanish furniture brand Andreu World is inviting designers from across the globe to submit chair and table proposals to its International Design Contest, held in collaboration with Kvadrat. More about Andreu World's latest competition asks designers to reimagine the chair and table
The roof of City Gallery Wellington is now home to a "kinda creepy" five-metre-tall sculpture of a hand with a face called Quasi, by New Zealand artist Ronnie van Hout. More about "Giant hybrid face-hand" installed on roof of art gallery in Wellington
Experimental clothing brand Vollebak has created a colour-shifting jacket, which uses embedded black glass spheres to emulate the camouflage qualities of a squid. More about Vollebak's Black Squid Jacket reflects light from more than two billion glass spheres
Troubled Scandinavian design retailer Skandium has been acquired by a Danish duo, who have reopened the e-commerce site and plan to open a new showroom on London's Brick Lane next month. More about Skandium reopens following acquisition by Danish e-commerce entrepreneurs
Dutch non-profit The Ocean Cleanup plans to burn some of the plastic it collects from the Pacific Ocean, Dezeen has learned. Designers and environmentalists say the move "makes no sense". More about Plastic collected by The Ocean Cleanup will be burned to generate electricity
The haphazard stitching usually concealed on the back of embroidered rugs is integrated into the decorative surfaces of this collection created by London studio Raw Edges for Spanish brand GAN. More about Raw Edges' BackStitch rug collection showcases hidden side of embroidery
Design graduate James Plimmer has created an inhaler for asthmatics that improves posture and technique during use to ensure more medicine reaches the lungs. More about Flohaler is an easy-to-use inhaler that helps asthmatics receive a better dose
New York designer Nikolas Bentel has created a handmade porcelain pipe for smoking marijuana with an unconventional wiggle form. More about Nikolas Bentel creates The Wiggle Pipe in "absurd" Memphis style
This stainless-steel cooking pot based on a traditional Japanese design uses a double-wall construction to create a vacuum that insulates the contents to retain heat for long periods. More about Maho Nabé cooking pot integrates vacuum technology to keep food hot
Ukraine is finding its place on the global design stage with multi-disciplinary studios that blur the boundaries between architecture, interiors and furniture. Here are six studios to watch. More about Six multi-tasking Ukrainian studios moving the country's design industry forward
Yinka Ilori's bold, colourful style can be seen all over London this summer, but the designer tells Dezeen there's a lot more to him than bright graphics. More about "I don't want to be seen as the guy that just slaps a bit of colour on" says Yinka Ilori
The minimalist LARQ bottle cleans itself using UV light, for people troubled by the hygiene of tricky-to-wash reusable water bottles. More about LARQ water bottle self-cleans using UV light
Fish with migration paths blocked by a dam can be shot over the top via the Whooshh Passage Portal technology after being sorted by artificial intelligence. More about Whooshh Passage Portal uses AI to shoot fish through a tube over dams
Sex-toy designers Polly Rodriguez and Alexandra Fine have launched a campaign to raise awareness about the bias selection process of adverts, which "plagues" female-focused sexual wellness companies. More about Approved, Not Approved campaign fights "singular narrative" in advertising
Apartment dwellers can enjoy nearly 1.5 metres of indoor veggie patch using the Rotofarm by Bace, a countertop hydroponic garden where plants are rotated to grow more quickly. More about Rotofarm by Bace proposes "rotary hydroponics" as sustainable source of fresh veg
Austrian design firm EOOS and a Swiss water research institute have teamed up to create a toilet for Laufen that tackles the "urgent" environmental issue of pollution caused by wastewater. More about EOOS designs Laufen toilet with trap to divert urine for fertiliser
Carlo Ratti and his team at MIT's Senseable City Lab have come up with a "bridge" made of continuously circling autonomous boats for a tricky patch of Amsterdam's waterway. More about RoundAround dynamic "bridge" is made of autonomous boats
Scientists have created Atomik, a brand of artisan vodka made from rye grown on land in Ukraine abandoned since the Chernobyl nuclear disaster, to help the people living there. More about Atomik is vodka brewed from grain grown in the Chernobyl Exclusion Zone
The city of Helsinki has revealed a first-of-its kind website meant to empower citizens, businesses and tourists to make more sustainable choices. More about Helsinki launches Think Sustainably digital service for residents and tourists