Consider the Egg

A432 and EggConsider the egg. The obvious part, the shell, is made up of calcium carbonate crystals and on close examination, its grainy texture contains thousands of tiny pores. The shell is actually a semipermeable membrane through which air and moisture can pass. I figure that must also be how Laysan albatross are able to communicate and, possibly, imprint on their chicks, because as soon as an egg is laid, the parents start talking to their newborn. They’ll stand, point their serrated four-inch bill between their legs and speak every so sweetly, “Eeh, eeh, eeh.” Both parents get in on the action, because the world of albatross parenting is an equal opportunity endeavor. Read more