A TED-Ed Lesson Looks at the Concept of Death to Attempt to Pinpoint the Exact Moment a Person Is Considered Dead

A recent TED-Ed lesson by Randall Hayes and Anton Bogaty looks at the concept of death in an attempt to pinpoint the exact moment a person is considered dead. Hayes explains the cellular processes involved in death, how the concept of death has changed with medical advancements, and what future advancements could mean for human life expectancy.