Scientists are peering inside the mechanisms of aging, tampering with the cellular makeup of our DNA, and imagining a world where death is cured like a disease. Are we entering a new age of immortality?
Death is life's greatest certainty. But that may be about to change. Scientists have discovered an immortal animal that may hold the secret of endless regeneration. They're on the brink of editing our DNA so that we can cure death like a disease. Or is dying necessary for the survival of our species?