You could have downloaded ScienceSlides 2008 for Mac from our software library for free. The application belongs to Education Tools.
From the developer:
ScienceSlides... The ultimate resource for scientific lectures and seminars in biomedicine. Now containing an exhaustive set of presentation tools, including more than 2400 objects, slides and slide templates from such diverse fields as biochemistry, pharmacology, molecular pathology, signaling, biology, and methods.
You may want to check out more software for Mac, such as PropCalc, Capacitor Lab or wandora-start, which might be similar to ScienceSlides.