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GOT a passion for hot and spicy food? Do you like the heat of jalapeño? What about Tabasco? Cayenne? If a jalapeño chilli pepper is all it takes to make you drip with sweat, then you may want to avoid the US National Fiery Foods and Barbecue Show in Albuquerque, New Mexico, next weekend. On display will be the largest collection of hot and spicy products ever assembled in the US. Exactly how hot is hot? That’s where the Scoville scale comes in.

The Scoville scale was devised by American chemist Wilbur Scoville in 1912. To assign ratings…

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