How to translate the answer to: Is it hot?
Us gringos have to learn how to convert temperature from F to C and measurements from inches/feet/miles to mm/cm/kilometers and quarts to liters. Now here is how to convert what people tell you about spiceness to reality.

4 Answers
I'm going to out-science bosquederobl once (not competing with you, old chap, you are the master). The chemical ingredient that causes peppers to burn our mouths is capsaicin. 8-methyl-N-vanillyl-6-nonenamide (copied from Wikipedia) which is an acid that is not soluble in water but in alcohol or fat. So if you ever burn your mouth with a pepper drink whole milk, cream or whiskey to move the acid from clinging to your tongue and mouth.
Like the post Gringo.
FYI: Spices were necessary before refrigeration for food prservation. In hotter climates food spoils faster so larger quanities of the more powerful spices were needed. The areas available spices became the countries' flavors they are now known for. It was out of necessity for indigenous tribes to survive not for flavor.
Check it out if interested.
Thanks for the informative post. Here's to preserving one's palate.

Now, Gringo, how come the Mexicans love everything so picante, whilst the Spanish really, mostly only like potatoes?This will cause an uproar but I've now eaten several festive Christmas meals, and whilst nice, nobody could say that any of he traditional Spanish dishes 'pican'. So where has this influence come from? The native Indians? '