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Washington moves to reassure America after the country's first death from ebola, with new restrictions at some of the country's busiest airports. But will screening passengers from west Africa have any effect, given that it takes some time to display any symptoms? We talk to Dr Howard Markel, a specialist on epidemics and an adviser to the US Centers for Disease Control and Prevention.

A Vietnamese oil tanker, that has been missing in the South China Sea for more than a week is thought to have been hijacked by pirates. We talk to a maritime security expert about a recent increase in pirate attacks in the area. We find out how Lagos, in Nigeria, is trying out new recycling schemes, not only to cut down on waste, but to produce energy from it. Plus, we delve into the murky - and sometimes dangerous - world of corporate investigations. And, India turns to the internet to crack down on phantom officials and clean up its civil service.