Brainy thing: 19:22 Behind the Redwood Curtain: 29:36   What We're Learning from our Knitting (and Crochet) Catherine was struck with Mandala Madness and is now crocheting Melanie's Mandala https://www.ravelry.com/patterns/library/melanies-mandala-baby-blanket Melanie operates M and M Crochet Designs on Ravelry. Catherine is using Caron Yarnspirations in Skinny Cake in color gradient Rainbow. She also shared information on taking care of our crafting hands -- she's taking a Tai Chi for Arthritis class and also recommends Carson Demers https://www.ravelry.com/people/ergoiknit https://www.ergoiknit.com/. book Knitting Comfortably: The Ergonomics of Handknitting and that he was featured on Fruity Knitting video cast Ep 102 https://www.youtube.com/watch?v=NfWEi57a-4U.   Margaret talks about her reluctance to start the Harmonia's Ring Cowl https://www.ravelry.com/patterns/library/harmonias-rings-cowl by Sivia Harding despite having been given beautiful yarn Shibui Knits Vine in the Majesty Colorway. It begins with a mobieus cast on that Cat Bordhi made famous. https://www.youtube.com/watch?v=LVnTda7F2V4. But she's started now -- at least a few rows.   Brainy Thing: Volunteerism not only helps others, it helps you as well. Catherine reports on it.   https://www.sciencedirect.com/science/article/abs/pii/S0167487012001456?via%3Dihub   Behind the Redwood Curtain: Margaret talks about Sneaker Waves and Rogue waves: both big waves but different. https://www.nationalgeographic.com/science/article/mathematicians-may-soon-be-able-to-predict-enormous-rogue-waves https://www.nationalgeographic.com/science/article/mathematicians-may-soon-be-able-to-predict-enormous-rogue-waves https://www.surfline.com/surf-news/the-importance-of-swell-period/1555   Welcome to Episode 138 of Teaching Your Brain to Knit. Today we talk about a Mandala Baby Blanket and a Moebius Cast on for the Harmonia's Ring Cowl. Catherine shares how volunteering can be good for you as well as the recipients and Margaret offers information on Sneaker Waves and Rogue Waves.