If death were no longer inevitable, what would you do with your time? Immortality—the idea of living forever—has captivated human imagination for millennia. From ancient beliefs to modern science fiction, we've explored what it means to conquer our mortal limits. Yet, we stand today on the brink of a reality where extending life significantly, or perhaps indefinitely, isn't just a wild fantasy but a scientific pursuit. However, achieving immortality isn't a straightforward path. It's a journey riddled with challenges that stretch the boundaries of biology, technology, ethics, and the very fabric of human existence. Let's explore the critical challenges standing between us and the dream of immortality. 1. The Biological Barrier: Aging and Cellular Breakdown The most immediate hurdle to immortality is the biological process of aging . Our bodies are designed to break down over time, with cells accumulating damage through processes like: Telomere Shortening : Each time...