The Meaning of Death: How do we know someone is no longer alive?

At what point does a person actually die? That depends on who you ask. To one person, it's the moment the heart stops beating. To another, it's when the brain enters a "vegetative" state. But a heart can be forced to keep beating; and how dead is a person, really, if she can continue to grow, develop, and even give… » 6/08/12 5:08pm 6/08/12 5:08pm