San Francisco Prize : Announcement and someone wants to do this.

J O N | W O R D E N | A R C H I T E C T S has useful research pages. The one on green roofs is very inspiring.

The Stage Crew: Stairs & Odd 3D Shapes:

Rise + Run should equal 18"

This page includes schematic illustrations of different kinds of wood stairs.

Math Concepts - 3DSoftware.com. Here is a fascinating look at a variety of concepts from analytic geometry, calculus and trigonometry. It provides the basics in case they've gone away. The matrix is very useful in computer graphics, but once the routine is written...

Fields How-To - Stair and Landing Construction, first of a number of posts on stairs. Trying to design a complicated stair and not quite succeeding, or actually, not recognizing success when it's there on the screen--just stop--wieighs heavily today.