A report on entrepreneurship among Chinese college students published by Renmin University of China revealed an inverse proportion between the level of students' academic degrees and their intentions to start their own businesses.
This states that there is an inverse relationship between how many people an email is addressed to and its power to motivate.
So when Pietro isn't busy posing nude for Equinox ads he's publishing papers like, "An Inverse Design Based Methodology for Rapid 3D Multi-Objective-Multidisciplinary Optimization of Axial Turbines.
And an Oxford University study of 24,000 married European couples found a direct, inverse link between use of social networking sites and marital satisfaction.
For men, the inverse is true.