PBS Eons has a new episode over on Youtube.  This one is about the Tree of Life and our (Eukarya) placement in it.

The unexpected discovery of an entirely new domain of life was pretty huge and surprising – even if archaea do just look like bacteria. But, in recent years, it’s been their connection to us that's turned out to be particularly full of surprises – ones that may mean we have a connection to a group known as Asgard.