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Evolve: Jaws
It's one of the most important developments in the history of life. An adaptation that lets animals kill, butcher, and devour. There is perhaps no instrument more important to survival than a strong set of jaws. From the shark's rows of razor-sharp serrated teeth, the crocodile's overwhelmingly swift-snapping-trap, to the lion's shredding canines--all have evolved in response to the never-ending struggle between predator and prey. But just how did these ultimate killing weapons develop in the first place?
http://www.history.com/
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Evolve: Eyes
They are one of evolution's most useful and prevalent inventions. Ninety five percent of living species are equipped with eyes and they exist in many different forms. Learn how the ancestors of jellyfish may have been the first to evolve light-sensitive cells. Discover how dinosaur's evolved eyes that helped them become successful hunters. Finally, learn how primates evolved unique adaptations to their eyes that allowed them to better exploit their new habitat, and how the ability to see colors helped them find food.
http://www.history.com/
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The Dinosaur Feather Mystery
How did feathers evolve? New archaeological discoveries lead a journey into the evolutionary history of some fascinating creatures: birds and dinosaurs. Explore the distinction between modern birds and their theropod ancestors.
http://science.discovery.com/
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MP1 Violent Planet: Secrets of our Past
Earth was born as a result of repeated asteroid collisions, the moon created by a single giant impact event. Then, Earth's size attracted huge meteorites, which slammed into it, causing super-high-temperature rock vapor to cover the entire surface and evaporate all ocean water. The earliest life-forms survived such infernal events by escaping deep into the ground, miraculously emerging again and again.
The Earth has gone through innumerable catastrophic events, and life has survived by acquiring new abilities to live through each crisis. Humans are part of the grand history of life's evolution, which has been closely intertwined with repeated cataclysmic events. Why was Earth able to evolve into a livable planet, but not Mars, which failed to hold its atmosphere and oceans? Find out in the opening episode of the series.
http://science.discovery.com/c<wbr>onvergence/miracleplanet/mirac<wbr>leplanet.html
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6 videos
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