Players in tonight's World Cup final in Brazil will battle for possession of the Brazuca, the official tournament ball. Adidas global football innovation director Antonio Zea told us how robot legs, shooting machines and wind tunnels were employed to make this "the most tested match ball ever" (+ interview). More about World Cup 2014 final features "most tested" football ever
A mile-long street provides play space in this conceptual skyscraper by RCA graduate Elly Ward, which examines how children's experience of and contribution to city life can be enhanced (+ slideshow). More about Elly Ward's conceptual tower offers a vision of a child-friendly vertical city
The creators of activity tracking app Human have visualised the routes taken by its users to create moving maps that show the world's cities throughout the day (+ movie). More about Smartphone app Human draws maps of urban movement
Design collective Penda has developed a concept for a flexible, portable hotel made from rods of bamboo, designed to bring guests closer to nature (+ movie). More about Penda's modular bamboo hotel could be expanded horizontally and vertically
Three kindergartens have been published on Dezeen in the last week, so we've gathered together all of the preschools from the Dezeen archive and added them to a new Pinterest board.
Follow Dezeen on Pinterest | More kindergartens and nurseries
More about New Pinterest board: nurseries and kindergartens
Glazed voids run up the sides and over the roof of this concrete house by South Korean studio AND, giving each room its own enclosed patio and increasing the flow of light inside (+ slideshow). More about Concrete Voidwall house by AND is punctured by glazed incisions
British high-street brand Heal's has released its latest furniture collections, with the themes Future Craft, Modern British and Industrial Chic. More about Heal's launches Autumn/Winter 2014 furniture collections
Dezeen Music Project: this colourful music video by director Kate Moross for UK band Wild Beasts is overlaid with trippy 90s-style graphics. More about Kate Moross applies "psychedelia" to Wild Beasts music video
Movie: in the final part of our series of exclusive video interviews with Bjarke Ingels, the architect compares his design method to the family game of Twister and claims BIG's Amager Bakke Waste-to-Energy Plant will "transform people's perceptions" about public utility buildings. More about BIG's combined power plant and ski slope is "turning science fiction into fact"
Artist James Bridle has teamed up with architecture studio TDO to build a rooftop hangar on a south London car park, from which a military surveillance balloon makes a daily flight to snoop on the area (+ movie). More about Rooftop hangar by TDO provides launchpad for James Bridle's surveillance balloon
Italian designers Paolo Ulian and Moreno Ratti have created a collection of prototype products made from unwanted marble tiles. More about Discarded marble tiles form products by Paolo Ulian and Moreno Ratti
Stairs and bookshelves wrap around a triple-height atrium inside this university library, which Danish architecture studio Adept describes as a "spiral of knowledge" (+ slideshow). More about Stairs spiral around interior of Adept's Dalarna Media Library in Sweden
Zaha Hadid, Peter Zumthor and Frank Gehry all went back to the drawing board this week, each announcing revised proposals for high-profile projects. Read on for more architecture and design highlights, plus our Dezeen Music Project track of the week. More about This week on Dezeen
Dutch designer Ineke Hans has created signposts and furniture to complement an art trail that lines a busy motorway in northern Holland (+ slideshow). More about Ineke Hans designs colourful signage and street furniture for roadside art trail
London firm Rogers Stirk Harbour + Partners has put the finishing touches to the World Conservation and Exhibitions Centre – a new £135 million wing at the British Museum in London (+ slideshow). More about Rogers Stirk Harbour + Partners completes new conservation and gallery wing at British Museum
Intricate drawings by Bartlett School of Architecture graduate Anja Kempa present a vision for how spring could be recreated in Tokyo, once cherry trees fail to blossom because of climate change. More about Anja Kempa's fantastical drawings imagine an artificial spring in Tokyo
This week's job of the week on Dezeen Jobs is a position for an experienced architect at Allford Hall Monaghan Morris, whose use of pale brick walls and gabled roof profiles make this London hospice (pictured) look like an oversized house. Visit the ad for full details or browse other architecture and design opportunities on Dezeen Jobs.
More about Job of the week: experienced architect at Allford Hall Monaghan Morris
Mole Architects based the shape and proportions of this rural home in Suffolk on the classical vicar's residences that are typically found in English countryside towns (+ slideshow). More about Cedar-clad Stackyard by Mole Architects is a house based on old rectories
Movie: Bjarke Ingels explains how the $335 million allocated to BIG's scheme to upgrade Manhattan's storm defences will be used to create a flood barrier disguised as a park in our second exclusive video interview with the Danish architect. More about Big U storm defences "will secretly protect Manhattan from flooding" says Bjarke Ingels
Paris-based Italian designer Giuseppe Bessero Belti has designed a collection of vases that combine 3D printing with repurposed paraffin lamp chimneys (+ slideshow). More about Flowers replace flames in paraffin lamp vases by Giuseppe Bessero Belti