The sense of smell is so important. First of all, it's our alarm system. Something tastes foul, it's bad food, it would get us sick. You just put it in your mouth and your sense of taste, if it's ...

On the walls and grooves of these bumps are thousands of tiny taste buds, too small for the human eye to see. The buds sense ... the nose as well, which senses the smell of different foods before ...