There are a lot of badges you can collect. Some of them are super secret and require you to perform several actions in the right sequence on the website. But fear not, this badge is not nearly as complicated as that to earn.
All you have to do is the following during your first year of membership in the society:
Each of those things will earn you a badge (Test Subject, Geek and Proud, Social Butterfly, Cinematically Inclined and Can Read) so you can keep track of what you have left to do.