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18th Nov 2005

Jurassic Park (1993)

Corrected entry: In the scene with the raptor in the kitchen, the raptor breathes on the window and fogs it. But reptiles are cold-blooded, which means their insides, and consequently their breath is the same as the ambient temperature. The glass would not fog.

Correction: Firstly, Modern-day reptiles are cold blooded, and it is believed that that dinosaurs are more closely related to birds then reptiles. It was only the first discoveries of dinosaur bones and calling them 'lizards' that the idea of cold blooded reptiles stuck. Secondly, just becuase a reptile is cold blooded, it does not mean that the body will not heat the inhaled air slightly. The body needs a temperature rise to carry out vital chemical processes. Thirdly, we do not know how much moisture was in the Raptor's breath. It had recently been outside in VERY humid conditions and was probably very warm. It has then entered an air-conditioned building and breathed on cold glass. The humidity and body temp would not have altered instantly, it would take several minutes, maybe over an hour.

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