Privacy / Conditions of use.
Cookies are pieces of information that your browser stores on your computer's hard drive which identify you when you enter. The ability to select samples on our site is NOT cookie-driven. We may use session cookies to provide a seamless experience on the site and to combine with our log files so that we can understand our site traffic and analyze our demographic information in aggregate form. If you have set your browser to reject cookies, our site will not identify you when you enter and you will need to manually type in your ID and password.