| Read on for the best stories and comments from Dezeen this week. See more discussions in our latest comments roundup. 
A relatively unknown French-Japanese firm has won the Guggenheim Helsinki competition with a design that has divided readers. Read the story and comments » 
Many commenters disliked the design for this year's colourful plastic Serpentine Gallery Pavilion, prompting questions about the purpose of the temporary building. Read the story and comments » 
Readers were unimpressed with the moon-shaped indents in this pair of buildings in Seoul, but were more taken with the inside spaces. Read the story and comments » 
News that the first US building by Pritzker Prize-winning architect Alvaro Siza would be a block of luxury apartments was not warmly received by everyone. Read the story and comments » 
One reader saw sinister potential in a glove designed to allow users to hand-sculpt hard materials using rotating disks on the fingertips. Read the story and comments » 
A giant water purifier installation by Spanish architect Andrés Jaque impressed some readers, but left others baffled. Read the story and comments » 
A reactionary government policy from 1899 has turned Washington DC into a city of low buildings and rampant inequality, says Matthew Yglesias. Read his Opinion column » 
This office designed for smartphone manufacturer Fairphone is overly dominated by sofas and meeting rooms, thinks one commenter. Read the story and comments » 
A lakeside sauna by students in Oslo was popular with readers, who liked both the design and the idea of giving aspiring architects hands-on experience. Read the story and comments » | Follow        Are you looking for a role in architecture or design? Visit Dezeen Jobs, where we've got 86 new jobs this week, including: Architect at FXFOWLE in New York » Lead architect at Aesop in Hong Kong » Project manager at studioWTA in New Orleans »  Moreau Kusunoki Architectes wins Guggenheim Helsinki competition »  World Building of the Year 2015 shortlist announced »  Oslo architecture students build a wooden sauna that steps over the Norwegian landscape »  Serpentine Pavilion 2015 by SelgasCano photographed by Iwan Baan »  Steel rebar forms storage system at Toronto kitchen showroom by DesignAgency »  Colour-changing condoms proposed to detect sexual infection » More news »  LED technology means designers are "obliged to redesign all lights" says Philippe Starck » More interviews »  EDAA pairs volcanic stone with pivoting glazing at Casa Meztitla in Mexico » More architecture »  Hampstead loft conversion by Alexander Martin features "a new twist on the hidden library door" » More interiors »  Human Organs-on-Chips wins Design of the Year 2015 » More design »  Win tickets to the Royal Academy's sold-out lecture with Bjarke Ingels » More competitions »  Our curated collection of watches by named designers and boutique brands features the Abersoch (tan) by Shore Projects » Go to Dezeen Watch Store »  The Dezeen Book of Interviews features conversations with 45 leading figures in architecture and design. Pick up your copy for just £12 »  | 
