Petri dish be used to observe plant germination, the behavior of very small animals or for other day-to-day laboratory practices such as drying fluids in an oven and carrying or storing samples. Their transparency and flat profile also mean they are commonly used as temporary receptacles for viewing samples, especially liquids, under a low-power microscope. Petri dish A Petri dish (sometimes spelled "Petrie Dish" and alternatively known as a Petri plate or cell-culture dish), named after the German bacteriologist Julius Richard Petri, is a shallow cylindrical glass or plastic lidded dish that biologists use to culture cellssuch as bacteriaor small mosses. Modern
Myth of the flat Earth Myth of the flat Earth The myth of the flat Earth is a modern misconception that Earth was widely believed to be flat rather than spherical during the Middle Ages in Europe. During the Early Middle Ages, virtually all scholars maintained the spherical viewpoint, which had been first expressed by the Ancient Greeks. From at least the 14th century, belief in a flat Earth among educated Europeans was almost nonexistent, despite fanciful depictions in art, such as the exterior of Hieronymus Bosch's famous triptych "The Garden of Earthly Delights", in which a disc-shaped Earth is shown floating inside a transparent