Evolution social change milestones

Human behavior evolves to “behavioral modernity”, including abstract thinking, planning depth, and symbolic thinking

Although often debated, most scholars agree that modern human behavior can be characterized by abstract thinking, planning depth, symbolicbehavior (e.g., art, ornamentation, music), exploitation of large game, and blade technology, among others.

“Mitochondrial Eve” is born, probably somewhere in Africa

All mitochondrial genomes today should be traceable to a single woman, a ‘mitochondrial Eve’. This woman, the researchers concluded, probably lived in Africa around 200,000 years ago.

Humans invent modern speech

Johanna Nichols – a linguist at the University of California, Berkeley – argued in 1998 that vocal languages must have begun diversifying in our species at least 100,000 years ago.

Model of a female Australopithecus afarensis.

Y-chromosomal Adam, the most recent common ancestor of all males, is born

In human genetics, Y-MRCA – informally known as Y-chromosomal Adam – is the most recent common ancestor (MRCA) from whom all currently living men are descended patrilineally.

Humanity create fire for first time, kindling a new era of possibility

The discovery of fire, or, more precisely, the controlled use of fire was, of necessity, one of the earliest of human discoveries.

Evolution

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