Bubbles are infinitely intriguing—in their shape, their transparency, their iridescence, their evanescence, their strength, and their fragility. A noted post, writing in prose, here explores the bubble in its many forms—in soap bubbles, in the foam of the sea, in effervescent drinks, among others— and discusses the many ways in which the bubble shape has been converted to a multitude of man-made uses—in igloos, divers' helmets, and domes. Looking for bubbles in all their beauty and strangeness—at home, in nature, emerging from the earth or washed in by the sea—can be an enlightening and absorbing adventure, and Miss Rukeyser's text will stimulate young readers to their own observations of the ever-fascinating marvel of the bubble.