Ever have the experience of tripping over your cat during a midnight trip to the bathroom? If you lack in the agility and coordination department, it can be downright scary. Perhaps that was on the minds of South Korean scientists when they created cats that "glow in the dark". Exposure to ultraviolet light enables the effect. Watch the video in this article of two white long-haired cats, who are also clones, glow a faint red when the lights go out. But the effect looks more like a jack-o-lantern than an overall glow. The scientists say the accomplishment may enable treatments for diseases that impact both animals and humans. But how? And which diseases? Read a great opinion of the story here.