Scientists are exploring longevity by studying organisms like the Greenland shark, known for its extreme lifespan, to understand mechanisms for healthy human aging. Concurrently, in urban settings like Mumbai, centenarians like K.M. Mathappan and Antony J. Mundane demonstrate resilience and active lives, attributing their well-being to social engagement and care. This contrasts with the tech elite's pursuit of radical life extension, highlighting diverse approaches to understanding and extending human life.