This is a ~1 hour talk by Jack Tuszynski (https://en.wikipedia.org/wiki/Jack_Tuszy%C5%84ski, https://apps.ualberta.ca/directory/person/jackt) on electrical and electromagnetic properties of microtubules.
Exploring the unseen forces of life, cognition, and emergence — with Professor Michael Levin. Conversations on morphogenesis, bioelectricity, synthetic biology, and the nature of intelligence.