NOVA S51E01 - When Whales Could Walk

Episode Overview

In the Sahara Desert of Egypt, enormous fossilized remains with unusual skulls and massive teeth emerge from the sands, revealing the ancient "Valley of the Whales." Paleontologists have recently discovered a new species of ancient whale that dates back 43 million years. This remarkable creature was not only a proficient swimmer but also possessed four legs, allowing it to walk on land. Join scientists as they explore this pivotal moment in evolutionary history, tracing the journey of mammals transitioning from terrestrial life to the ocean, ultimately evolving into the largest animals on the planet.

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