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
The World Is Flat World Is Flat" a conceptual analysis accessible to a broad public. The book was first released in 2005, was later released as an "updated and expanded" edition in 2006, and was yet again released with additional updates in 2007 as "further updated and expanded: Release 3.0". The title was derived from a statement by Nandan Nilekani, former CEO of Infosys. "The World Is Flat" won the inaugural Financial Times and Goldman Sachs Business Book of the Year Award in 2005. In his book "The World Is Flat", Friedman recounts a journey to Bangalore, India, when he realized globalization has changed