Source unknown – Title unknown (201X)

My thought with this was originally merely to add one of those diagrams of what areas of the tongue register what kinds tastes. However, as it turns out, that notion has been thoroughly debunked.

First off, there’s no longer just bitter, salty, sour and sweet. There’s umami–which refers to something that is savory (I always think of it as the craving you get for a veggie burger cooked exactly to your preference.

Also, apparently these days they are thinking that fat may actually be a sixth factor contributing to taste.

Interestingly, it’s theorized that receptors designed to register sweetness are binary–they only register whether something is sweet or not? Whereas something that is bitterness has a vast spectrum of distinct variations.