A properly dressed male guppy, with its gaudy blue spots and brilliant splashes of orange, can't help but stand out. But for a fish that spends its life swimming among predators, it seems that ...

Since the Cold War thankfully never became a full-scale “hot war,” the GUPPYs ended up never firing any shots in anger. To marine biologists, the guppy (scientific name Poecilia reticulata ...