El Ajolote

23 Ago 2014
El Ajolote | Por: Redacción

La NASA planea enviar ratas al espacio este aAi??o

Fuente: Ciencia Plus

La NASA estA? elaborando planes para lanzar un grupo de ratas a la EstaciA?n Espacial Internacional (ISS) este aAi??o. Aunque los roedores han volado anteriormente al espacio, esas misiones solo han durado una o dos semanas. La novedad de esta iniciativa se basa en que los animales permanecerAi??an en A?rbita entre 30 y 90 dAi??as.

SegA?n ha explicado la responsable de este proyecto, Julie Robinson, la planificaciA?n del lanzamiento aA?n no estA? completamente resuelta. En principio serA? unaAi??nave espacial privada, la Dragon, de Space X, la encargada de transportar a las ratas y devolverlas a la Tierra.

Sin embargo, esta cA?psula cae al ocAi??ano a su entrada en el planeta, en donde permanece “algA?n tiempo” antes de ser remolcada a puerto. “Esto podrAi??a ser incA?modo para los animales”, ha apuntado la investigadora.

Robinson tambiAi??n ha indicado que para esta misiA?n es preferible enviar ratas en lugar de ratones, que son mA?s pequeAi??os y requieren menos comida, porque el funcionamiento neurocognitivo de las ratas es similar al de los humanos. En este sentido, la cientAi??fica ha seAi??alado que llevar ratas al espacio es una de las diferentes formas en que la ISS estA? cambiando la ciencia.

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