Sal Kahn aims to “empower everyone, everywhere with a free, world-class education” through his straightforward 10 – 15 minute tutorial videos comprised of simple graphics and personable narration. This particular collection contains eight such videos which discuss DNA and cell division, including topics in mitosis, meoisis, stem cells and cancer. The content is suitable for a high school or college course in the biological sciences. This is excellent primary material for long distance learning, or rich supplementary material for any biology course.
Great Apes did not have tails. Otherwise I really really loved the video and learned a lot.
This video builds on what was described in previous videos about the natural selection of peppered moths during the industrial revolution by going into detail about the natural selection that led to the unusual coloring of the owl butterfly.