MH370: Special Investigation Aviation experts frequently remind us that flying on modern jet planes is the safest form of transport. However those assertions are meaningless while the fate of Malaysian Airlines flight MH370 remains unknown. It’s more than two years since the Boeing 777 disappeared off the face of the earth. An exhaustive and expensive search in the southern Indian Ocean has failed to turn up anything. It’s due to end soon, which has further distressed the grieving families of the 239 passengers and crew who are presumed dead. Frustration at the lack of clues has led to significant reassessment about MH370, and as Ross Coulthart discovers in this 60 Minutes investigation, there’s now growing evidence that authorities have been ignoring more credible theories about what might have brought the jet down. Reporter: Ross Coulthart Producer: Gareth Harvey Mind Boggling Depending on your memory, you may or may not recall a story 60 Minutes made five years ago about a small group of extraordinary people who can remember every detail of their lives, stretching back decades. They can remember where they were and what they did on any particular day in any particular year. Scientists are intrigued by this rare ability and hope a better understanding of it might one day lead to cures for sufferers of dementia and Alzheimer’s Disease. Since the original story went to air, the number of people diagnosed with Highly Superior Autobiographical Memory has grown from 10 to 60 – and now includes the first Australian. Twenty-six-year-old Becky Sharrock’s mind retains so much detailed information it almost defies belief; she can even recite every word of every Harry Potter book. But while the idea of a super memory might sound appealing, it can also be a curse. Reporter: Allison Langdon Producer: Grace Tobin The Man Who Saw Everything While you may not be familiar with his name, you will certainly know Nick Lee’s work, because if you’ve w