Skin and Bones Steven Holl’s Glassell School of Art in Houston moves seamlessly between precast panels on its striking geometric facade and an exposed structure of in-situ concrete within, writes Tony Whitehead
Back to Black and White There are different ways to darken or lighten concrete at either end of the spectrum, writes Elaine Toogood
Core Values Jenny Burridge examines the relative merits of the three main approaches to constructing the core of a tall building