In this episode of Radiolab, titled “Corpse Demon,” the hosts explore the fascinating world of Zoroastrianism, the decline of vultures in India, and the impact of a drug called diclofenac on these scavenging birds. They delve into the cultural and religious practices of Parsis, the environmental consequences of vulture population decline, and the efforts of a young researcher named Munir Varani to save these important creatures. Join Radiolab as they uncover the complex relationship between tradition, modernity, and the delicate balance of ecosystems.
Zoroastrianism, a religion practiced mostly in South Asia, has its unique method of body disposal called “exposure.” Indian Zoroastrians, known as Parsis, believe that exposing the dead in Towers of Silence protects them from a corpse demon and is environmentally friendly. However, the decline of vultures in India raised concerns when Dunbaria discovered decomposing bodies in the Towers of Silence. Munir Varani, a young researcher, discovered that the vulture population decline was due to a drug called diclofenac. The vultures’ super acidic stomachs and chemical defenses make them nature’s immune system, but they were being affected by the drug.
Munir and his team investigated the cause of vulture deaths and found that farmers in Pakistan were giving their cattle diclofenac, which proved harmful to vultures. The vultures covered in a white paste, which turned out to be uric acid, suffered from kidney failure. The ban of diclofenac in India, Pakistan, and Nepal has stabilized the vulture population. However, the exact cause of kidney failure in vultures is still unknown, and Munir and his team are working to save these important creatures. Parsis are also facing challenges in finding alternative methods for body disposal without vultures, considering chemical and technological options.
The Tower of Silence, a structure used for exposing bodies to scavenging birds, is a controversial practice that has faced opposition from religious and environmental groups. It represents the tension between tradition and modernity in India, where cultural and religious practices intersect with environmental concerns. The story of the rebellious priest who believed in practicality guiding body disposal led to the creation of the Tower of Silence, but its viability is now in question due to the absence of vultures. The complexities of cultural, religious, and environmental considerations are explored in this episode.
The “Corpse Demon” episode of Radiolab sheds light on the unique religious practices of Zoroastrianism and the challenges faced by Parsis in the absence of vultures for body disposal. It highlights the crucial role vultures play as nature’s immune system and the devastating impact of the drug diclofenac on their population. The episode also delves into the tension between tradition and modernity, showcasing the complexities of cultural and religious practices in the face of environmental concerns. Through Munir Varani’s research and the efforts to save vultures, listeners gain insight into the delicate balance of ecosystems and the importance of preserving nature’s guardians.