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Thursday, March 15, 2007

If.....

Most scientists accept that a giant meteorite after impacting in the Earth (65 millions years ago), would have promoted the massive extinction of dinosaurs when making scarce the atmosphere with toxic harmful substances (iridium, massive dust), to the metabolism of the dinos. Most scientists also accept that of not having fallen such a meteorite in the Earth, the dinosaurs have prevailed in our planet until the present time. In such case many mammals (lions, elephants, giraffes, etc), would not exist, for obvious reasons.

In such circumstance, important researchers as Curry Rogers of Science Museum of Minnesota, Phil Currie of Alberta's University Canada, Larry Witmer of the University of Ohio and others agree in that certain dinosaurs (Tyrannosaurus Rex, Troodon, etc) and others of blood hot and great capacity of adaptation have continued perfecting their biped position and enlarging their brains and eyes, reaching mental capacities similar to those achieved by the current man.


Picture: Taken fron BBC.


Y, si el meteorito no hubiese caido a la Tierra, hace 65 millones de años?.

La mayoria de cientificos acepta que un meteorito gigante trás impactar en la Tierra (hace hace 65 millones), habría promovido la extincion masiva de dinosaurios al enrarecer la atmósfera con sustancias tóxicas dañinas (iridio, polvo masivo), al metabolismo de los dinos. La mayoria de cientificos acepta tambien que de no haber caido tal meteorito en la Tierra, los dinosaurios hubiesen predominado en nuestro planeta hasta la actualidad. En tal caso muchos mamiferos (leones, elefantes, jirafas, etc), no existirian, por razones obvias.

En semejante circunstancia, importantes cientificos como Curry Rogers del Science Museum de Minnesota, Phil Currie de la Universidad de Alberta Canada, Larry Witmer de la Universidad de Ohio y otros concuerdan en que ciertos dinosaurios (Tyranosaurio Rex, Troodon, etc) y otros de sangre caliente y gran capacidad de adaptación hubiesen continuado perfeccionando su posición bipeda y agrandando sus cerebros y ojos, alcanzando capacidades mentales semejantes a las logradas por el hombre actual.

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