"It's a scale that measures spiciness. It was invented in 1912 by an American pharmacist named Scoville. For example, a milder bell pepper ranks 100 Scoville units, while Jalapeño peppers rank around 10,000." Raito had been looking into this subject after running into some intensely spicy alien food, but when it came to something as benign as this Philip didn't mind picking up where he'd left off. The subject was highly fascinating.