S7 E19 - 8m 36s
Unlike in fiction, giant whales do not emerge fully-formed from the ocean deep. So, where did Livyatan melvillei come from? How did such a large predator live? And what caused the titan to die out? The answer may lie in an appetite so large, it may have eaten itself to extinction...So, where did Livyatan melvillei come from?
S7 E18 - 9m 41s
How did a relative of the red panda end up in North America? What can this tell us about how long ago – and how many times – North America was connected to Europe and Asia?
S7 E17 - 8m 10s
Spiders and their ancestors have been driving an arms race that began before either stepped foot onto land and resulted in the first powered flight on Earth. But how did this competition of webs versus wings drive such a massive evolutionary adaptation into an entirely new realm?
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