Metals "mined" by plants feature in a first-of-its-kind ring, made by materials researcher and designer Karoline Healy under her jewellery brand H2ERǴ. More about H2ERǴ ring made with metals "mined" by plants
The latest edition of our Dezeen Debate newsletter features British engineer Tom Greenhill's proposal to use yoghurt as a solution for combating heat waves. Subscribe to Dezeen Debate now. More about Dezeen Debate features yoghurt window coating "crazy enough to work"
Swedish furniture brand IKEA has created a peer-to-peer resale platform called IKEA Preowned as part of its aim to become a circular business by 2030. More about IKEA launches online marketplace for second-hand furniture
British engineer Tom Greenhill is proposing painting the outside of windows with yoghurt as a low-cost, low-energy solution to keep UK homes cool during heatwaves. More about Yoghurt window coating proposed as emergency heatwave measure
Smartphone design has been getting worse and worse while the industry itself has become an environmental and humanitarian nightmare, writes Phineas Harper. More about "The role of smartphones in contemporary life feels increasingly stupid"
Scraps of fabric have been recycled into edible treats by designer Jinghan Li, who wants people to consider waste as a resource for food. More about Waste textiles turned into sweets in FabriCandy project
Swedish tech company Teenage Engineering has developed a beat machine that allows users to create their own medieval-style music by combining samples of lutes, hurdy-gurdies and "rowdy peasants". More about Teenage Engineering releases "world's first medieval electronic instrument"
Following the recent launch of a necklace wearable that provides AI friendship, here are seven products that are trying to imagine the future of hardware for artificial intelligence. More about Seven portable AI devices that attempt to give shape to a new technology
Boston non-profit Aurelia Institute has created a pavilion showcasing its self-assembling geodesic dome, designed to allow space professionals and the general public to "lead good lives" in zero gravity. More about Aurelia Institute designs geodesic spacecraft for "leading good lives" in orbit
A new vision for artificially intelligent devices has emerged from US start-up Friend, which is launching a necklace wearable that promises constant companionship. More about Wearable Friend device aims to fight loneliness with AI companionship
Mexican design studio Manufactura and New York studio BioMatters have created 3D-printed objects using a composite consisting mainly of shells from industrial lobstering byproducts in Maine. More about Manufactura and BioMatters create 3D-printing composite from discarded lobster shells
Architect Suchi Reddy has created an installation in a recently restored train station in Detroit that responds to the words spoken into microphones with colourful LED lights. More about Suchi Reddy installs voice-to-colour AI sculpture in Michigan Central
Texas A&M Department of Architecture students showcased their end-of-year projects in an exhibition held on the university's campus, as revealed in this video created by Dezeen for the programme. More about Texas A&M Architecture students reveal end-of-year designs in Dezeen video
Dezeen Showroom: textile manufacturer Ultrafabrics has designed Pumice, a durable material that is colourfast against sunlight, perspiration, chlorine and seawater. More about Pumice textile by Ultrafabrics
Designers are increasingly manufacturing their own limited-edition products rather than waiting for brand or gallery partnerships. Dezeen editor-at-large Amy Frearson looks at what's driving the shift. More about Young designers "cutting out the middle man" by producing objects themselves
San Francisco design studio Whipsaw has created a robot with padded "hands" programmed using artificial intelligence to give massages. More about Whipsaw creates Aescape automated massage robot
Design studio IDEO has created a device for healthcare startup Teal Health that enables women to self-collect samples required for cervical cancer screening in the privacy and comfort of their own homes. More about Teal Wand offers accessible and comfortable at-home sampling for cervical cancer
Tech company Nothing has made modularity and customisation two big selling points for its first budget-conscious phone, the CMF Phone 1, which was launched today. More about Nothing brings modularity to budget smartphones with CMF Phone 1
Rammed earth is often celebrated as a low-carbon method of constructing buildings, but some experts are beginning to cast doubt on its sustainability credentials. Amy Peacock reports. More about Cement-based rammed earth "not much better than concrete"
Swedish maker Love Hultén has collaborated with the country's Way Out West music festival to create the Future Fan Stage for an audience of sperm and eggs awaiting IVF. More about Love Hultén creates tiny music stage for crowd of sperm and eggs