The world collagen is derived from kola, the Greek word for glue. Collagen is found throughout the body-in skin, muscles, tendons, and bones. Fibers of collagen are woven together like threads in fabric to form a framework into which new cells can grow.
UglifyJS is a JavaScript compressor/minifier written in JavaScript. It also contains tools that allow one to automate working with JavaScript code: A parser which produces an abstract syntax tree (AST) from JavaScript code.
The novel Uglies was first published in 2006, and re-released in 2011 with a new cover. It is the first part of a trilogy, with sequels Pretties, and Specials, and another book Extras. The trilogy featured on the New York Times bestseller list for a significant amount of time.