Japanese firm Atelier HAKO Architects used concrete dotted with formwork impressions for both the internal and external surfaces of these stacked residences in a suburb of Tokyo (+ slideshow). More about Concrete homes patterned with formwork holes by Atelier HAKO Architects
One thousand editions of literary journal The Paris Review cover the ceiling of skincare brand Aesop's new store in Chelsea, New York (+ slideshow). More about Aesop's Chelsea boutique is shrouded in copies of The Paris Review
This movie shows shoppers walking under and sitting beneath the Christmas lights installed above public crossings and squares in central Berlin by German studio Brut Deluxe. More about Berlin Christmas lights by Brut Deluxe
Panoramic views of the dramatic Icelandic landscape are offered from this holiday home near Reykjavik by local studio PK Arkitektar (+ slideshow). More about Árborg House by PK Arkitektar overlooks an Icelandic glacial valley
UK-based Guy Hollaway Architects has become the latest firm to install a slide inside an office building with this renovation for online events guide View London (+ slideshow). More about The Workshop offices by Guy Hollaway Architects feature a tubular steel slide
News: researchers in Australia have developed a pen to deposit regenerative stem cells onto damaged bone and cartilage in a process similar to 3D printing. More about 3D-printing BioPen "draws" with living cells to repair damaged bones
Behind today's A-Zdvent calendar window is Brazilian architect Isay Weinfeld, who we recently interviewed about his new monograph and exhibition in New York. We've also featured a string of impressive São Paulo residences by the architect, including a house with a floating spiral staircase made from Brazilian ironwood and a home made up of seven boxy volumes, all made using different materials (pictured).
See more architecture by Isay Weinfeld »
More about Dezeen's A-Zdvent calendar: Isay Weinfeld