YES! Do you know about ketchup? You see, there are five known fundamental tastes in the human palate: salty, sweet, sour, bitter, and umami. And ketchup, or at least Heinz ketchup, combines all five of these, to create an overwhelmingly satisfying taste. Yum. It is a little salty, a little sweet, a little sour, a little bitter, and most importantly: ...