Beakman explains amplification and how sound is generated. He mentions that certain sounds are louder than others due to the amount of air they disturb. They conduct an experiment to demonstrate this concept.
Gaia shows the Planeteers a news broadcast stating that the oceans have increasing levels of mercury, cadmium and PCBs and how it can be dangerous. Gaia also explains biological amplification, a process in which small quantities of toxins become larger quantities and can reach lethal doses.
Art has long captured the tremendous beauty of earth and its climate, as well as its variability and our powerlessness to it. The things humans make come from the earth and are also highly susceptible to it. Art can help reveal the world around us, frame it, amplify it and also highlight our precarious relationship to it. Today we take a look at some paints that capture these expression of the earth and look back to see how people from the past have made artwork and objects that speak to it in some way