A giraffe's neck can stretch roughly six feet—but it contains just SEVEN cervical vertebrae. That's the same number humans have. So how did evolution turn seven bones into one of the most extraordinary necks in the animal kingdom? Biologist Patrick Aryee explores the giraffe's remarkable evolutionary adaptations in the Curiosity Original series Evolve. Watch Evolve on Curiosity Stream. #CuriosityStream #Evolve #Giraffe #Evolution #Wildlife