New research by D Ajit, Han Donker and Ravi Saxena of the University of Northern British Columbia, Canada, is offering some engaging clues.

BBC: Why Indian boardrooms have no diversity

Han Kim and Adair Morse, of the University of Michigan, and Luigi Zingales, of the University of Chicago, shows that the internet's ability to spread knowledge beyond university classrooms has diminished the competitive edge that elite schools once held.

ECONOMIST: Why do economists spend valuable time blogging?

"JE is a vector-borne disease, " notes Yap Han Heng, a professor with the Malaysian Science University.

CNN: ON DEADLY GROUND