The International Maritime Organisation (IMO), which provides regulations for cruise ships, does not keep complete records of marine casualties but recorded fewer than 300 incidents since 2000, while the independent website CruiseJunkie, run by sociology professor Ross Klein of Memorial University Newfoundland, has published reports of 644 incidents in the same period.

BBC: What is the safest mode of travel?

"Our current system can create some serious work disincentives, particularly at low and high ends of the income distribution, so the potential efficiency gains are pretty clear, " Justin Ross, Professor of Public Finance at Indiana University, told the BBC.

BBC: Republicans 2012: Rick Perry unveils flat tax plan

Dr. Lawrence Ross, a professor of urology at the University of Illinois at Chicago and former president of the American Urological Association, said the school's clinics have seen moderate increases in the last six months to a year and that vasectomies are growing popular among lower-income clients.

CNN: In troubled times, vasectomies snip and prosper

There were 79 onboard blazes from 1990 to 2011, according to a list compiled by Ross Klein, a professor who specializes in cruise industry issues at Memorial University in Newfoundland, Canada.

NPR: No Central Agency Oversees, Inspects Cruise Ships

Ross Klein, a Newfoundland professor, has written four books on the cruise industry and maintains a database online.

CNN: July 8, 2012 -- Updated 1911 GMT (0311 HKT)

The evening's star was author and University of Pittsburgh professor Gary Lutz, whose live interview with Believer editor Ross Simonini had the otherwise reserved listeners in stitches.

WSJ: Celebrating a Decade of the Believer

Dr Marina Davila Ross, from the University of Portsmouth and Professor Elke Zimmermann at the University of Veterinary Medicine in Hanover, Germany, studied the play behaviour of 25 orang-utans aged between two and 12 at four primate centres around the world.

BBC: RELATED BBC SITES

K. Prahalad, the Indian-born professor of corporate strategy at the University of Michigan's Ross School of Business.

CNN: The best business thinkers