The Terrifying (but Awesome) Science Behind Red Tides [and Bioluminescence]

In this 2020 production by the American Chemical Society, PBS, and YouTube, learn about red tides and bioluminescence. Complex concepts about light, photosynthesis, toxins, and bioluminescence are explained in a simple manner. “Maybe you already knew that deadly algal tides discolor ocean waves, deplete the water of oxygen, and release toxins that can kill a huge range of ocean critters, but did you know that the tiny organisms that cause red tides are also an extremely important part of our ecosystem?”