I can haz bioluminesenz? Cloned red fluorescent cats
It doesn’t get much more science fictional than this - South Korean scientists have genetically engineered white kittens that glow red under ultraviolet light. [Image cribbed from linked article]
Bioluminescent gene hackery isn’t a new idea - MetaFilter has the links for the history, starting way back (!) in 1994 with E. coli and roundworm cells - but this is a new level in cute for genetic science.

