The Japanese Tea Ceremony has been kept alive by three family lineages dating back to the 16th century. This fall, Kyoko Wada, an instructor in the Urasenke lineage, gave students an initital lesson in the ancient ritual as part of the subject of 21A.150, "Teaching and Learning: Cross-Cultural Perspectives. The class explores the ways that different cultures organize practices of teaching and learning. Wada explained that mastering the tea ceremony takes a lifetime.