Brainy stuff starts at 22:30  Behind the Redwood Curtain begins at 39:00
Catherine talks about mystery knitalongs, both Laura Aylor's mystery shawl and Josh Ryks' Scarfie Shenanigans.  Margaret describes her learning on three pairs of children's socks including two zebra socks and one generic toe up. 
In the Brainy section, Catherine explains some of the work of Betsan Corkhill at Stitchlinks about how knitting is therapuetic in a number of ways for a number of conditions.
In Behind the Redwood Curtain, Catherine shares information about how our climate is ideal for artisan goat cheese.
Margaret offers a knitting tip about how getting stitch markers to closely match the size of the needle will help to prevent those yarn overs from slipping under the markers.