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Human DNA is a ladder a billion nucleotides long. Most possible combinations of nucleotides are nonsense; they would cause the synthesis of proteins … - Carl Sagan
" "Human DNA is a ladder a billion nucleotides long. Most possible combinations of nucleotides are nonsense; they would cause the synthesis of proteins that perform no useful function. Only an extremely limited number of nucleic acid molecules are any good for lifeforms as complicated as we. Even so, the number of useful ways of putting nucleic acids together is stupefyingly large- probably far greater than the total number of electrons and protons in the universe. Accordingly, the number of possible individual human beings is vastly greater than the number that have ever lived: the untapped potential of the human species is immense. There must be ways of putting nucleic acids together that will function far better- by any criterion we choose- than any human being who has ever lived. p26
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About Carl Sagan
Carl Edward Sagan (9 November 1934 – 20 December 1996) was an American astronomer, planetary scientist, cosmologist, astrophysicist, astrobiologist, author, and science communicator. His best known scientific contribution is research on extraterrestrial life, including experimental demonstration of the production of amino acids from basic chemicals by radiation. Sagan assembled the first physical messages sent into space, the Pioneer plaque and the Voyager Golden Record, universal messages that could potentially be understood by any extraterrestrial intelligence that might find them. Sagan argued the hypothesis, accepted since, that the high surface temperatures of Venus can be attributed to, and calculated using, the greenhouse effect. He testified to the US Congress in 1985 that the greenhouse effect will change the earth's climate system.
Biography information from Wikiquote
Also Known As
Native Name:
Carl Edward Sagan
Alternative Names:
Sagan
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Carl E. Sagan
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Carl E Sagan
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C. E. Sagan
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C.E. Sagan
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C E Sagan
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C. Sagan
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C Sagan
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Sagan C
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Sagan C.
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Sagan C. E.
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Sagan CE
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Additional quotes by Carl Sagan
— Аз търся, Елеанор. След всичките тези години, вярвай ми, познавам истината, когато я видя. Всяка вяра, която изпитва възхита пред истината, която се стреми да опознае Бог, трябва да е достатъчно смела, за да приеме вселената. Искам да кажа, истинската вселена. Всичките тези светлинни години. Всички тези светове. Мисля си за мащабите на твоята вселена, за възможностите, които тя предлага на Създателя, и дъхът ми секва. Така е много по-добре, отколкото да го приковеш към един малък свят. Никога не ми е допадала представата за Земята като за зелена възглавничка за краката на Бога. Тя е прекалено успокоителна, като детска приказка, като… транквилизатор. Но твоята вселена има достатъчно място и достатъчно време за Бог, какъвто аз си го представям.
the pattern-recognition machinery in our brains is so efficient in extracting a face from a clutter of other detail that we sometimes see faces where there are none. We assemble disconnected patches of light and dark and unconsciously try to see a face. The Man in the Moon is one result. Michelangelo Antonioni’s film Blowup describes another. There are many other examples.
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