07:32
Eons
The Ghostly Origins of the Big Cats
Scientists have recently discovered a major clue about the origins of the big cats.
- TV-Y7
The Evolution of the Heart (A Love Story)
Join hosts Kallie Moore, Michelle Barboza-Ramirez, Gabriel Santos, and Blake de Pastino as they take you on a journey through the history of life on Earth. From the dawn of life in the Archaean Eon through the Mesozoic Era — the so-called “Age of Dinosaurs” -- right up to the end of the most recent Ice Age.
The Evolution of the Heart (A Love Story)
Season 2 Episode 12 | 9m 0s | CC
In order to understand where hearts came from, we have to go back to the earliest common ancestor of everything that has a heart. It took hundreds of millions of years, and countless different iterations of the same basic structure to lead to the heart that you have today.
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