At around the 2 minute mark, Maura picks up a newspaper from the floor. It has several creases from folding in it. At around 2:20, she puts it down and the paper is now new and unmarked.
The captain says to Maura Franklin that "Man has mapped out every corner of this world. Been to farthest deserts, the top of the highest mountains". This is not correct, since the first documented climb of Mount Everest, the highest peak on earth, was done in 1953 by Sir Edmund Hillary's expedition.
The human umbilical cord contains no pain receptors.
When Olek is looking at his postcard of the Statue of Liberty, the address on the back is for Driggs Avenue, Brooklyn, New York 11222. 11222 is the zip code for Greenpoint, Brooklyn, which includes part of Driggs Avenue, but zip codes would not come into use until July 1, 1963, more than 63 years after this show takes place.
From 0:13:11 -in a room full of adult women not a single one is willing to give aid or comfort to a sister pregnant woman.
Ship-to-ship communications could consist only of numbers, no letters.