Why are the Na'vi blue? Why not another color?
''I just like blue. It's a good color,'' James Cameron says. ''Plus, there's a connection to the Hindu deities, which I like conceptually.''
Image Credit: WETA
Does Michelle Rodriguez have magic lungs? Do the Na'vi use Unobtainium? And why...blue? We ask Cameron and Co. for answers to EW readers' queries, both big and small