In this segment from The World’s Most Exciting Classroom Episode 40, we find out the results to the Ocean Acidification Experiment introduced in Episode 38.

In this segment from The World’s Most Exciting Classroom, we find out the results to the Colours in the Natural World Experiment.

In this segment from The World’s Most Exciting Classroom Episode 3, Stewart McPherson gives a (greatly simplified) explanation of how animals adapt on islands, using the examples of the Komodo dragons of island gigantism and Brookesia chameleons as island dwarfism.