Some links:

UT Researcher Creates 'Machiavellian' Model of Evolution of Human Intelligence (Tennessee Today)
Battle for supremacy made us intelligent (Cosmos Magazine, Sydney, Australia)
The evolution of intelligence, and why our brains have shrunk (PhysOrg.com)
Figuring out how brains become more important than brawn (WhyFiles.org)
Razrabotana matematicheskaja model evoljucii intellekta (InfoSave, Russia)
Evolutsionnoto ni oglupaivane predskazano ot matematicheski model (Democritus, Bulgaria)
Il cervello umano e Macchiavelli    (Vasiva Group, Roma, Italy)
Nuevos datos apoyan la teoría de la 'inteligencia maquiavélica'  (Padronel, Mexico)
The "Machiavellian intelligence" hypothesis (Conscious Robots)
Human big brains are the result of drive for sex and power (Softpedia)
Large human brains evolution may be due to mating competition (Evolutiondiary.com)
Ansa.it (Italy)
PRNewswire
Yanoo! Finance
Forbs.com