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elements? i am thinking humidity, things like that, that are also playing a factor here. >> people always say, well, it's a dry heat, right, versus a wet heat. and but there is truth to that, actually. it's very interesting. put to you like this. when you get very hot, your brain, specifically hypothalamus, responsible for your thermoregulation, sends a signal to your bode to start sweating, to cool yourself by sweating. you get sweat on your skin. that evaporates. that's how you cool yourself. problem, phil, to your question, if you have a lot of humidity that sweat doesn't do as much. can't evaporate. there is too much water pressure in the air. there is this thing known as the wet bulb temperature. you are measuring the temperature both in dry and wet conditions. and this is what a wet bulb thermometer looks like. it's trying to determine how