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One Voice in the Cosmic Fugue
One Voice in the Cosmic Fugue  1980

Sagan discusses the story of the Heike crab and artificial selection of crabs resembling samurai warriors, as an opening into a larger discussion of evolution through natural selection (and the pitfalls of intelligent design). Among the topics are the development of life on the Cosmic Calendar and the Cambrian explosion; the function of DNA in growth; genetic replication, repairs, and mutation; the common biochemistry of terrestrial organisms; the creation of the molecules of life in the Miller-Urey experiment; and speculation on alien life (such as life in Jupiter's clouds). In the Cosmos Update ten years later, Sagan remarks on RNA also controlling chemical reactions and reproducing itself and the different roles of comets (potentially carrying organic molecules or causing the Cretaceous–Paleogene extinction event).

Genre: Science  Duration: 01:00:00

Related Searches: Palaeontology, Genetics, Chemistry, Biology, Carl Sagan, Evolution, DNA, RNA, Miller, Urey

Series: Cosmos

The Search for a New Earth
Everything
Alien Technology
Dynamic Salt
The Day the Dinosaurs Died
The Beatles Eight days a week
Underwater Universe of the Orda Cave
Woody Allen A Documentary 1
Finding Atlantis
Samurai Sword
What If Cannabis Cured Cancer
Planet Dinosaur Ultimate Killers
Exoplanets
Conquest of the Skies The first to flight
Snake Killers Honey Badgers of The Kalahari
Planet Ocean
George Harrison Living in the Material World 1 of 2
The Art Of The Impossible
How to Live Longer
Strange Signals from Outer Space
Seal Team Six The Raid on Osama Bin Laden
Narco Cultura
Zeitgeist The Movie
The War You Dont See
Tiny Giants
He Named Me Malala
Objectified
Venus and Mercury
Galapagos with David Attenborough Origin
What Makes a Terrorist
To The Arctic
Into the Abyss
Journey to Space
Children 404
Is the Force With Us
Dawn of the Driverless Car
The Search for a New Earth
Everything
Alien Technology
Dynamic Salt
The Day the Dinosaurs Died
The Beatles Eight days a week
Underwater Universe of the Orda Cave
Woody Allen A Documentary 1
Finding Atlantis
Samurai Sword
What If Cannabis Cured Cancer
Planet Dinosaur Ultimate Killers
Exoplanets
Conquest of the Skies The first to flight
Snake Killers Honey Badgers of The Kalahari
Planet Ocean
George Harrison Living in the Material World 1 of 2
The Art Of The Impossible
How to Live Longer
Strange Signals from Outer Space
Seal Team Six The Raid on Osama Bin Laden
Narco Cultura
Zeitgeist The Movie
The War You Dont See
Tiny Giants
He Named Me Malala
Objectified
Venus and Mercury
Galapagos with David Attenborough Origin
What Makes a Terrorist
To The Arctic
Into the Abyss
Journey to Space
Children 404
Is the Force With Us
Dawn of the Driverless Car


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