Enroll in the 100% theoretical Science of Diving specialty from SSI to thoroughly understand the underwater world and its effects on the human body. This specialty, mandatory to complete most SSI professional programs and also for some Extended Range programs, is an excellent opportunity to expand your knowledge about diving. It’s available online, so you can earn your SSI Science of Diving specialty certification from home and prepare yourself to start your professional career. After completing it, you will obtain your SSI Science of Diving specialty certification and be halfway to completing the coveted SSI Divemaster qualification.