Add Yahoo as a preferred source to see more of our stories on Google. Some sounds are negative and others positive, the experts say (Getty Images) Pigs are noisy creatures, from their contented oinks ...

Knowing the emotional state of farmed pigs could lead to more humane living conditions for one of the world’s smartest animals. Thanks to science, we now know how pigs are feeling. Researchers ...

An international team of researchers has reported the development of an algorithm that can translate the emotional state of pigs from the sound of their grunts. The researchers indicate the system ...

Pigs are noisy creatures, from their contented oinks to their terrified squeals. But could those sounds contain clues to their emotions and welfare? An international team of researchers say so. For a ...

The ability to detect vocal sounds, and the more specialized skill of recognizing calls from one's own species, is supported by evolutionarily ancient brain mechanisms, according to a new study from ...