The shard of glass that stabs Jane in the neck. Before the shard falls from the panel, the pointy end is facing downwards. However, when it stabs Jane, the pointy end is facing upwards.
When Jane and Matt discover the tomb entrance, Jane reads the hieroglyphic inscription from left to right, but the direction in which the inscription is written is right to left, as shown by the birds in it which face the start of the line by convention.
Jane and Mathew both work in the hot Egyptian Sun in shorts and no head cover. Further, Jane goes out into the field in short sleeves, while Mathew takes his shirt off to dig. No sane archaeologist/Egyptologist would work that way. They would cover their skin (arms, legs, and back) and head to protect themselves against the blistering and scorching Sun.
Nighttime scenes are shot in daylight using filters. The result is, though darkened, bright blue skies instead of black ones, and obvious distant detail of objects that would be obscured in the darkness of night.