True to its name, a helping of sour candy can be intensely mouth-puckering. But what exactly makes this sweet treat such a wonderfully sour experience?

This is because they need stronger flavours as their taste buds grow weaker. The sour receptors on our tongue help us to tell how much acid there is in what we eat and drink. Too much acidity will ...

When we eat sour food, we instantaneously react due to a taste-sensing circuit between the tongue and the brain. Two papers published today (September 19)—one in Cell and the other in Current ...