There was a time when Homo Sapiens coexisted with other species of the same genus such as Homo neanderthalensis or Homo denisova. However all the groups were very small. Today we determine two pieces of evidence: we are now alone as a species (1) and

Few are those who reject interdisciplinary work, though few are also, interestingly, those who practice it. What is a discipline? It is a kind of knowledge, a way of understanding reality, so a discipline is well defined by three aspects of understanding: 1) the object

You probably remember Steven Spielberg's 1977 film Close Encounters of the Third Kind in which, in a memorable final scene, humans communicate with aliens with music, specially with that well known "D E C C G" melody that would be later hummed by everyone.

Noam Avram Chomsky turned the field of linguistics upside down in 1957 when Syntactic Structures was published. He argued that the capacity for language acquisition is innate in humans.