Log in using your library card number and PIN which is usually the DDYY of your date of birth, so if you were born on 1 January 2012 your PIN would be 0112.
Encyclopaedia Britannica has thousands of articles covering a huge range of topics to help with homework, look up facts or do some research.
Do you know how to check if websites are giving you the right information? Anybody can put anything online. You need to know how to find out if the information on a website is likely to be correct.