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" "I have a foreboding of America in my children’s or grandchildren’s time–when the United States is a service and information economy; when nearly all of the manufacturing industries have slipped away to other countries; when awesome technological powers are in the hands of a very few, and no one representing the public interest can even grasp the issues; when the people have lost the ability to set their own agendas or knowledgeably question those in authority; with our critical faculties in decline, unable to distinguish between what feels good and what’s true, we slide almost without noticing, back into superstition and darkness.
And when the dumbing down of America is most evident in the slow decay of substantive content in the enormously influential media, the 30-second sound bites now down to 10 seconds or less, lowest-common-denominator programming, credulous presentations on pseudoscience and superstition, but especially a kind of celebration of ignorance.
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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La tierra constituye sólo una pequeña fase en medio de la vasta arena cósmica. Pensemos en los ríos de sangre derramada por tantos generales y emperadores con el único fin de convertirse, tras alcanzar el triunfo y la gloria, en dueños momentáneos de una fracción del puntito. Pensemos en las interminables crueldades infligidas por los habitantes de un rincón de ese pixel a los moradores de algún otro rincón, en tantos malentendidos, en la avidez por matarse unos a otros, en el fervor de sus odios.
Nuestros posicionamientos, la importancia que nos auto atribuimos, nuestra errónea creencia de que ocupamos una posición privilegiada en el universo son puestos en tela de juicio por ese pequeño punto de pálida luz. Nuestro planeta no es más que una solitaria mota de polvo en la gran envoltura de la oscuridad cósmica. Y en nuestra oscuridad, en medio de esa inmensidad, no hay ningún indicio de que vaya a llegar ayuda de algún lugar capaz de salvarnos de nosotros mismos.
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What functions do dreams serve today? One view, published in a reputable scientific paper, holds that the function of dreams is to wake us up a little, every now and then, to see if anyone is about to eat us. But dreams occupy such a relatively small part of normal sleep that this explanation does not seem very compelling. Moreover, as we have seen, the evidence points just the other way: today it is the mammalian predators, not the mammalian prey, who characteristically have dream-filled sleep.