Synesthesia, a neural condition that merges the senses so that people hear colors and taste words, is teaching scientists to trust in the subjective reports of their patients.
In tennis, the foot fault is a subjective penalty, with many players believing that it should be called according to etiquette and not the written rule.
In tennis, the foot fault is a subjective penalty, with many players believing that it should be called according to etiquette and not the written rule.