Champagne corks are more elastic than corks for wine but the glass is stronger and is not sealed with wax. Only wire is used to secure corks to contain 4 bars of pressure. At the Titanic depth external pressure wins. So Maloc's salty champagne sounds plausible.


Kudos for an ocean water landing by Amelia without having a breakup.
She would not have desired to go down with the plane so DNA is probably lost. Plane confirmation is all they need now.