Just how good are humans at assessing risk? If you take a close look at some of what most worries people in the developed world – terrorism, plane crashes, child kidnappings, animal attacks – the answer appears to be ‘not so good’. In this animation from The Royal Institution in London, the US scientist and author Jared Diamond recalls how time spent living with a Papua New Guinea tribe made him reassess how he viewed risk in his everyday life, and led him to scrutinise and re-evaluate his Western views of risk.