I don't really like them, but I think Skittles have umami. You know what I mean?
It is weird that oak has a recognizable flavor.
Sodium lauryl sulfate's inhibitory effect on sweet-sensing taste buds is the reason orange juice tastes bad after brushing your teeth.
The Special Lady (blindfolded) can distinguish between various brands of bottled water. I learned this the hard way. As the loser of our bet a couple of years ago, I had to dress in an adult diaper & pacifier & bow, and strut around Manhattan for several hours. (Prada store, subway, Times Square, Baby Gap, LES, etc.) Did I mention I had to carry around a little boombox playing, on infinite loop, "Who Let The Dogs Out"? There are photographs.