Petri dish 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 Petri dishes usually feature rings and/or slots on their lids and bases so that when stacked, they are less prone to sliding off one another. Multiple dishes can also be incorporated into one plastic container to create a "multi-well plate". While glass Petri dishes may be reused after sterilization (via an autoclave at
Myth of the flat Earth "Comical History of the States and Empires of the Moon" (published 2 years posthumously in 1657) quotes St. Augustine as saying "that in his day and age the Earth was as flat as a stove lid and that it floated on water like half of a sliced orange." Robert Burton, in his "The Anatomy of Melancholy" wrote: Thus, there is evidence that accusations of Flatearthism, though somewhat whimsical (Burton ends his digression with a legitimate quotation of St. Augustine: "Better doubt of things concealed, than to contend about uncertainties, where Abraham's bosom is, and hell fire") were used to discredit