Cookies are files sent by web servers to web browsers, and stored by the web browsers. The information is then sent back to the server each time the browser requests a page from the server. This enables a web server to identify and track web browsers.
Your browser option allows you to disable cookies. You should note that if you do disable cookies, you may not be able to access all the services on this site.
You can set your browser not to accept cookies and the above websites tell you how to remove cookies from your browser. However in a few cases some of our website features may not function as a result.