As Fei Fei sells the moon cakes, she exclaims the workers should buy more. Later explaling how the Maglev train works.

Bioluminescence is the light that fish give off when they are in the deep layers of the ocean. The layer is called the abyss layer.

The Octonauts sing about slimey sea creatures and their characteristics.

Jenny Adler explains the benefits and advancements in Photography that can support the ecosystem. She discusses how this method can help visually express concerns for the environment.

Gramma Tala tells the legend of how the heart was heisted by Maui.