This is one where I had to check the date of the paper when I read it as I thought it must be a spoof.
I will leave you to make up your own mind on this and I will lay out the facts.Some South Korean Boffins have been messing around with fluorescent proteins, or shold I say, breeding cats with them in and this has resulted in cats being born that glow under certain lighting.
I kid you not, here is the picture!
Glow in the dark puddy - insert your own jokes here!
There are some things that the world does not need and glow in the dark real life animals is one of them. The only time I think this could ever be of use is with Polar Bears maybe so you can see them creeping up on you if they were fluourescent green against the snow.
I predict a load of glow in the dark South Korean kids will suddenly arrive on the scene next.