For 400 years, the Eastern Mediterranean was the domain of two great powers: the Republic of Venice and the Ottoman Empire. As rivals, they fought seven different wars, but in peacetime they eagerly ...

This rundown depends on the impact, life span and force of the different empires, and, as you will see, it contains no less than a couple entrees that may strike some as disputable. So how about ...

How could eukaryotes have genes from two different organisms ... the hallmark genes reveals the evolutionary unity of the viral empire (Koonin et al. 2006). Finally, viruses and related mobile ...