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Some of the Things That Molecules Do 

Artificial selection is one example, eyes another, of the well-documented and inescapable process of evolution--change in a population of species over time--by natural selection. These are some of the things that molecules do.

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(inspired by "Cosmos: A Personal Voyage" written by), (inspired by "Cosmos: A Personal Voyage" written by) | 3 more credits »
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Himself - Host
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Malala Yousefzai
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Host Neil deGrasse Tyson is on a voyage to explore the relatedness of all livings things and the possible evolution of life in the cosmos. Go on a journey to discover how artificial selection turned the wolf into canine breeds and how natural selection sculpted the complex human eye. Later, Tyson visits the grand Hall of Extinction, a monument to all the broken branches on the tree of life. Retrace the story of life on Earth and the unbroken thread that stretches from the first one-celled organisms to human life. Written by Anonymous

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Documentary

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TV-PG | See all certifications »
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16 March 2014 (USA)  »

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16:9 HD
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A Wolf Eat Wolf World
23 June 2014 | by (United States) – See all my reviews

Evolution is a fact. You can call it a theory, but it is a fact. Neil DeGrasse Tyson spins begins an explanation of how dogs came to be. First wolves, then natural selection among humans, and then the variety of breeds that pattern themselves after basic human needs from work to companionship. He then goes into the thing that the naysayers often say is impossible without a god pointing his finger, the eye. He shows us how the eye evolved and continues to evolve, again based on the particular environment needs of the species. Finally, the tree of life becomes fruitful, but also has a lot of dead branches and he leads through the realities of extinction. The earth itself is not a life form, but it's heating, cooling, gas producing, meteor accepting being is what directs the lives of its inhabitants. Tyson allows that the fact that we are all under the same umbrella of living creatures, gives us a much real spirituality than that of one imposed by ignorance (my word). I would imagine there will be an expansion on this in future episodes.


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