It also has the [url=http://www.forbes.com/sites/jamesconca/2012/06/10/energys-deathprint-a-price-always-paid/#4641594d49d2]lowest mortality rate of any energy source per kilowatt hour produced[/url]. It's just that, when it fails, it fails monumentally. Kind of like how taking a car or bus is way more likely to kill you than taking a plane, but when a plane goes down, it gets noticed.