Phys.org Scientists review worldwide rise of ‘network of networks’ “Because most natural and engineered systems are composed of multiple subsystems and layers of connectivity, it is important to consider these features in order to improve our understanding of such complex systems,” state coauthors Jianxi Gao, a scientist based at Northeastern University in Boston, Daqing Li, based at Beihang University in Beijing, and Shlomo Havlin, […]