Language has existed on Earth for about one million years beginning with Homo erectus, says linguist Daniel Everett (see video below), which begs the question: do sentient beings with language exist elsewhere in the Cosmos? In December, 2020 ex-CIA Director John Brennan said it was “presumptuous and arrogant” to believe there are no other forms of life than the ones on Earth, referring to the videos released by the Pentagon of US Navy sightings of UFOs.
Avi Shporer, Research Scientist, MIT Kavli Institute for Astrophysics and Space Research. A Google Scholar, Avi was formerly a NASA Sagan Fellow at the Jet Propulsion Laboratory (JPL). His motto, not surprisingly, is a quote from Carl Sagan: “Somewhere, something incredible is waiting to be known.”