Kitty patiently waited until Odo remembered to do humanoid things, at least, she assumed that was what he was doing. Because she'd had to remember to do solid things after the time she got stuck in phased form.

"No technology," she replied soberly. "Genetics. Have you meet Piotr yet? The big Russian guy who is sometimes shiny silver metal? He's like me. We're mutants." Yana was, too, but she was difficult to explain even when you knew what mutants were, and Laynia hadn't come out to everyone (neither had Kitty but more and more people knew) so Kitty didn't want to expose her.