Go to Garland Science (YouTube)
Animations and slide films to explain concepts in cellular and molecular biology, as well as immunology. These videos are great quality! Perfect for studying as a textbook supplement.
Subjects:
Interesting and funny videos on subjects in math, physics, and astronomy.
California Academy of Sciences (YouTube)
Videos about and for the Steinhart Aquarium, Morrison Planetarium, and the Kimball Natural History Museum, including topics covered by all three.
Go to Periodic Table of Videos (YouTube)
Interesting and sometimes strange videos about various elements on the periodic table and their behavior.
LearnersTV covers a variety of topics in science and math with lectures, animations, and online tests. There are a few in the humanities.