Just don't watch it if you know anything at all about science, as the glaring scientific contradictions are everywhere. The protagonist is supposed to be some sort of super duper uber genius scientist, right? But the script has her saying things like "using ammonium as an oxygen source." Anyone who knows anything about chemistry knows that ammonia or ammonium doesn't have any oxygen in it at all. Her SCBA gas bottle runs out and she has to run to her ATV to get another gas bottle. First, you don't run with an empty gas bottle - her spare is close by, so she'd stay calm and walk. Also, the gas bottles are about the size of the thermos, so why for she wouldn't just carry a spare with her? And this is in the first seven minutes of the film! Blerg. I cannot continue.