The evolution of human intelligence is closely tied to the evolution of the human brain and to the origin of language. The timeline of human evolution spans approximately seven million years, from the
Chimpanzee mother and baby
Stone tools from the Paleolithic Period, also known as the Stone Age, are indicative of cognitive advancements throughout human evolutionary history.
"The Lion-man", found in the Hohlenstein-Stadel cave of Germany's Swabian Alb and dated to 40,000 years ago, is associated with the Aurignacian culture and is the oldest known anthropomorphic animal figurine in the world.
Homo erectus
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Homo erectus is an extinct species of archaic human from the Pleistocene, spanning nearly 2 million years. It is the first human species to evolve a humanlike body plan and gait, to leave Africa and c
Evolution of human intelligence
…hominids (Homo floresiensis), nicknamed hobbits, had a cranial capacity of about 380 cm3 (considered small for a chimpanzee) about a third of that of Homo erectus. It is proposed that they evolved from H. erectus as a case of insular dwarfism. With their three-times-smaller brain, the Flores hominids apparently…
Java Man holotype
In 1868, Ernst Haeckel suggested early humans dispersed from the now-disproven hypothetical continent "Lemuria".
Artistic depiction of a group of Homo erectus georgicus, based on early hominin discoveries from Dmanisi.
H. e. georgicus (above) represents one of the earliest dispersals out of Africa about 1.8 million years ago.