In the still waters of a moorland pond in southern Germany, a tiny 0.5-inch water snail clings moves nearly imperceptible. It's June, and the warmth of the season bathes the scene in gentle light, as it grazes on a film of algae. A closer look reveals its tiny, rasping tongue—known as a radula—scraping delicately as it feeds, a captivating display of nature’s intricate details unfolding in the quiet underwater world.