Interesting is understatement, it's a channel which is one of the closer ones to hard science on the hard science - pop science spectrum and still having more than a million subscribers.
Especially the Covid test video was eye opening against the conspiracy theorist propaganda during the pandemic because knowing how tests actually work on practical level makes you see through the claims effort free.
Some outstanding videos IMHO:
The channel owner applies himself a gene therapy to fix his lactose intolerance. https://www.youtube.com/watch?v=J3FcbFqSoQY
How exactly the Covid Tests work: https://www.youtube.com/watch?v=s_usIkrVQwE
Growing Human Neurons Connected to a Computer https://www.youtube.com/watch?v=V2YDApNRK3g
Especially the Covid test video was eye opening against the conspiracy theorist propaganda during the pandemic because knowing how tests actually work on practical level makes you see through the claims effort free.