USABO reviews from is one of the most popular forums in the world. Over the years, there were many discussions about the USABO every year. So I selected the most interesting and informative comments of students who prepared and participated in the USABO.

Also I found a nice quote:

“If you like to memorize the endless bits and pieces of biological info then study Biology.
If you you prefer to understand why it is not a good idea trying to run into a brick wall then study Physics.
But if you simply enjoy being a detective and would like to hone your knowledge, logic, intuition and common sense while having fun solving Chemistry problems, then National Chemistry Olympiad could be the right choice for you.





And my personal favourite: