Evolution
“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.
Y-chromosonal Adam, the most recent common ancestor of all men, 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.