Humans tend to associate cats purring with happiness, but in turns out they also purr when in pain, hungry and alone.
We humans are capable of vocalising many different words in a range of languages. But what is it that gives us a remakable and variable voice?
Beyond the cool factor of figuring out hominin hearing capacities two million years ago, these findings could help answer the tantalizing question of when did human vocalized language first emerge.
What can a bunch of people grunting in a lab teach us about our capacity to create language systems? A lot about the gesture- or vocalization-based origins of language.
The vocal patterns of gelada monkeys have been found to bear similarities to human speech. The lip-smacking vocalising of…