Infinite LifeIf you think of an egg, what do you see in your minds eye? A chicken egg, hardboiled? A slimy mass of frogspawn? Perhaps you see a human egg cell, prepared on a microscope slide in a laboratory? Every egg there has ever been is an emblem of survival. Yet the evolution of the animal egg is the dramatic subplot missing in many accounts of how life on Earth came to be. Quite simply, without this universal biological phenomenon, animals as we know them,