Problems with my WordPress 3.5 and insert images

After searching and entering in chat rooms have come to the conclusion that there is a problem in the javascript. The solution is to enter in wp-config.php define (‘CONCATENATE_SCRIPTS’, false); that it does is disables concatenation of scripts and CSS  

First images of new worlds

Earth seems to have its first fuzzy photos of alien planets outside our solar system, images captured by two teams of astronomers. The pictures show four likely planets that appear as specks of white, nearly indecipherable except to the most eagle-eyed experts. All are trillions of miles away ┬áthree of them orbiting the same star, […]