👉 The Belfast Fluid, also known as the Belfast Plasma, is a unique and complex biological fluid found in the brains of certain species, particularly in the context of their evolutionary history. This fluid is characterized by its unusual composition and properties, including high levels of certain proteins, lipids, and other biomolecules that differ significantly from those in typical mammalian fluids. The Belfast Fluid is believed to have played a crucial role in the evolutionary transition of these species, facilitating neural development and function during a period when their brains were undergoing significant changes. Its distinct characteristics suggest adaptations that may have contributed to the survival and success of these ancient organisms in their environments.