"This is how you trick scientists. You give them something that sounds like it should be underwater and it's outer space," says host Charles Garcia. "I had an issue with with Avatar because I get the scientific inspiration for the creepy crawly things and the animals and the plants, but those floating mountains,. It was like, you know, come on. Do you have a way to explain to me how they were floating? So let's check it out." 'We haven't found 95% of the mass in the universe, you guys,' he responds.'So don't talk to me about floating matting', she adds. "'As long as it's self-sustaining