In this episode of TED Talks Daily, the fascinating tradition of kissing under the mistletoe is explored. Its origins can be traced back to ancient European mythology and the plant's intriguing biology. From the Druid's belief in its divine and healing properties to Scandinavian legends featuring the god Baldr, the evolution of mistletoe into a symbol of peace and love is captivatingly outlined. Additionally, the episode sheds light on the ecological significance of mistletoe as a keystone species that supports a variety of wildlife.