The best of the rest from the arXiv this week:
Global Disease Spread: Statistics and Estimation of Arrival Times
Predictability and Epidemic Pathways in Global Outbreaks of Infectious Diseases: the SARS Case Study
Determination of the Newtonian Gravitational Constant Using Atom Interferometry
A Calendar Quipu of the Early 17th Century and its Relationship with the Inca Astronomy