Blood stains the walls of the cage where the deadly creatures are kept. They look agitated and eager to escape, but they've just been fed, and David A. O'Brochta figures it's safe to stick his hand ...

One of the more amazing phenomena in nature is the process of metamorphosis in the insect world. Some insects go from egg to nymph and then to the adult stage, while others take four steps: egg, larva ...

METAMORPHOSIS in the animal kingdom may be approached from two angles of vision. We may regard it solely as a preparation for the adult condition that follows upon it, or we may consider it from the ...