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" "Those who make uncritical observations or fraudulent claims lead us into error and deflect us from the major human goal of understanding how the world works. It is for this reason that playing fast and loose with the truth is a very serious matter.
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
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Hemos preparado una civilización global en la cual la mayoría de los elementos cruciales dependen profundamente de la ciencia y la tecnología. También hemos dispuesto las cosas de tal forma que casi nadie comprende la ciencia y la tecnología. Esto es la receta para el desastre. Puede que podamos seguir así por un tiempo, pero tarde o temprano esta mezcla explosiva de ignorancia y poder nos explotará en la cara.