Continuity mistake: When Katherine is leaving the office for the first time, she's approaching someone in a stripy top. Camera changes and she's past the person. (00:11:50)
Factual error: When Ben shows Doug the image of a cow cell, he says: "That is a healthy bovine cell, strong walls, good color." This is a scientific nonsense: mammalian cells do not have a cell wall, only plants do. And apart from skin cells, they do not have any color, unless you stain them to visualise the cellular compartments like the nucleus. (00:54:30)
Continuity mistake: When the car door is ripped off by the cow, it shows the truck with the door intact.
Continuity mistake: Katherine is wearing waders when crossing the river, but they are immediately gone when she gets ashore.
Factual error: At the beginning of the film, in Concepción, Chile; the accent spoken is from Central American people, not Chilean.
Continuity mistake: When Katherine cracks the egg into the pan, and it comes out as blood, between shots the shape of the bloody egg in the pan completely changes.
Factual error: In Katherine's slideshow, the Methanol and Ethonal diagrams are incorrectly labelled with the vice versa names.
