translation.en: And by the way, the reason the kittens here are orange and these are green is because that's a bioluminescent gene from coral, while this is from jellyfish.
translation.zh: 顺道提一下，小猫呈现橙色小鼠呈现绿色 是因为一个的发光基因来自珊瑚， 另外一个来自水母。