evidence: A decade has passed since the plane veered wildly off course during a routine flight to Beijing and disappeared but, despite one of the largest and most expensive multinational searches in history, one of aviation’s greatest mysteries remains unsolved. [...] Sylvia Spruck Wrigley, the author of The Mystery of Malaysia Flight 370 and a two-book series on plane disappearances, Without a Trace, says that while there may never be closure, the aviation industry has already learned so much from the tragedy and implemented new safety rules. [...] Still, after 10 years of unanswered questions, theories and counter-theories continue to proliferate online, swelling to fill the information vacuum.