Taste, or gustation, is one of our most robust senses. Although there is a small decline in taste in people over 60,

Psychologists have suggested that color impression can account for 60 percent of the acceptance or rejection of a product or service. Color

Love and affection can have many positive effects, both mental and physical, that have been linked to the hormone oxytocin. And, it certainly

Pigment determines eye color, and a number of genes influence pigment. Brown is the most common eye color worldwide by a large