Yeah I don't think they're actually radioactive or they'd be sick. Like those foxes in Chernobyl. But I don't know what else would make them glow. Unless it's natural.. which.. is weird.

[But not too surprising given they seem to be in space. Who knows what's normal here? he's been here for months and he's still discovering new things. Maybe glowing kittens are totally average and it's the non-shimmering ones that are odd.]

Oh maybe. She responds to whatever I call her. She's real smart.

[He smiles and ruffles her fur.]

Except when she's trying to adopt everything for a mile radius.