As you read these words, Planet Earth teems with trillions of life-forms, each going about their own business: eating, reproducing, thriving . . . Yet, the life of almost every single organism draws nearer to certain death. On the other hand, “suicide” inside the mitochondria that live within us results in the death of millions of cells each second for our own good! Why is death such a universal companion to life on Earth? Why haven’t animals evolved to break free of its shackles?
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