David Gallo First News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Is this for you? >> phenomenally gripping. people are gripped by mysteries. things that are unsolved just sort of grab people. and especially when you have a common experience of flying. >> reporter: and that's why this historian says today's mystery must be solved. >> when you get on the plane the next time, are you going to wonder a little bit whether or not you're going to disappear? that's why it's so urgent that some satisfactory explanation happen fairly soon. >> reporter: kyung lah, cnn, los angeles. >> some food for thought there. will this mystery be solved? let's put that question to...

Normal sets of explanations. >> as a historian, how gripping is this for you? >> phenomenally gripping. people are gripped by mysteries. things that are unsolved just sort of grab people. and especially when you have a common experience of flying. >> reporter: and that's why this historian says today's mystery must be solved. >> when you get on the plane the next time, are you going to wonder a little bit whether or not you're going to disappear? that's why it's so urgent that some satisfactory explanation happen fairly soon. >> reporter: kyung lah, cnn, los angeles. >> some food for thought t...

>> what are historians and bloggers saying right now ability about this modern mystery? >> a very weird event. a very strange event that doesn't lend itself to the normal sets of explanations. >> as a historian, how gripping is this for you? >> phenomenally gripping. people are gripped by mysteries. things that are unsolved just sort of grab people. and especially when you have a common experience of flying. >> reporter: and that's why this historian says today's mystery must be solved. >> when you get on the plane the next time, are you going to wonder a little bit whether or not you're going...