I been trying to 'study' science lecturers

Is it my imagination, or did this guy give a four star science lesson in this video?
Very simple, first base stuff, but that’s were most folks need to start from.

Uploaded on Feb 24, 2012 A Tour of the Cell https://www.youtube.com/watch?v=1Z9pqST72is Paul Andersen takes you on a tour of the cell. He starts by explaining the difference between prokaryotic and eukaryotic cells. He also explains why cells are small but not infinitely small. He also explains how the organelles work together in a similar fashion.
Here's another one about climate models. I first saw this video over a year ago, but it chased me away before I was half way through it, but then a few days ago I came across it again, and this time I had a totally different reaction.
Prof. Inez Fung: "Anatomy of a Climate Model" the video http://whatsupwiththatwatts.blogspot.com/2014/03/inez-fung-anatomy-climate-model-video.html
====================================== Anyone out there have any good lectures or science videos worth sharing?
Here's another one about climate models. I first saw this video over a year ago, but it chased me away before I was half way through it, but then a few days ago I came across it again, and this time I had a totally different reaction.
Prof. Inez Fung: "Anatomy of a Climate Model" the video http://whatsupwiththatwatts.blogspot.com/2014/03/inez-fung-anatomy-climate-model-video.html
====================================== Anyone out there have any good lectures or science videos worth sharing?
It is interesting that she eventually talks about the effects of aerosols on clouds which is covered here: https://www.youtube.com/watch?v=p8RyNSzQDaU psik