Taste Can Be Acquired. But Can it Be Inherited?
When I was a child, probably no more than seven or eight years old, my mother and I went to an unassuming Mexican restaurant on a stretch of local highway near our house in rural Rhode Island. There was nothing remarkable about this restaurant, and I don’t recall why we were there, but I have a searing memory of the complimentary bowl of salsa that was placed before us alongside a plastic, wax paper–lined basket of corn tortilla chips.
The first bite was bracing—cold, salty, tart, crunchy—and then came a tingling, burning sensation I had never felt before. Slowly, it crept over my tongue and danced onto my lips; with every subsequent bite, the sting of the salsa became more and more intense, until I was panting like an overheated dog in summ...