Could extinct species, like mammoths and passenger pigeons, be brought back to life? National Geographic Emerging Explorer Beth Shapiro is one of the scientists investigating this intriguing possibility. From deciding which species should be restored to anticipating how revived populations might be overseen in the wild, the technical challenges and ethical considerations of de-extinction are substantial. Join Shapiro for a vivid exploration into the extraordinary cutting-edge—and controversial—science that is being used today to resurrect the past.

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