When we use 'race' we need to be very specific about what we mean. Race is not biology, nor is it class.
Human existence is now permeated by computer language. Digital artists combine human and computer codes to create digital poetry.
Considering language from a biological perspective led researchers to the idea that new food processing technologies affected neolithic human beings' jaws – and allowed new language sounds to emerge.
Discovering that orangutans can communicate about things that happened in the past provides new clues to how human language evolved.