Learn how hormone imbalances (estrogen, thyroid, stress) regulate nerve function and inflammation, leading to unexplained, systemic burning sensations.
Discover the two ways Earth's outer layer is defined (chemically and mechanically) and how this rigid shell interacts with the mantle to drive all geological activity.
Discover the rainforest's vertical ecosystem. Learn how light competition creates four distinct, interconnected worlds, from the canopy to the forest floor.