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Estimates regarding the questions of "how many people have ever lived?" or "what percentage of people who have ever lived are alive today?" can be traced to the 1970s. [8] The more dramatic phrasing of "the living outnumber the dead" also dates to the 1970s, a time of population explosion and growing fears of human overpopulation in the wake of ...
A paper published in March 2013 determined that, with 95% confidence and that provided there are no systematic errors in the study's data, Y-chromosomal Adam lived between 237,000 and 581,000 years ago. [7] [8] The MRCA of all humans alive today would, therefore, need to have lived more recently than either. [9] [note 2]
A recent study (March 2013) concluded however that "Eve" lived much later than "Adam" – some 140,000 years later. [50] (Earlier studies considered, conversely, that "Eve" lived earlier than "Adam".) [51] More recent studies indicate that it is not impossible that Mitochondrial Eve and Y-chromosomal Adam might have lived around the same time. [52]
Human history is the record of humankind from prehistory to the present. Modern humans evolved in Africa around 300,000 years ago and initially lived as hunter-gatherers.They migrated out of Africa during the Last Ice Age and had spread across Earth's continential land except Antarctica by the end of the Ice Age 12,000 years ago.
C. L. Moore's 1940 story Fruit of Knowledge is a re-telling of the Fall of Man as a love triangle between Lilith, Adam and Eve – with Eve's eating the forbidden fruit being in this version the result of misguided manipulations by the jealous Lilith, who had hoped to get her rival discredited and destroyed by God and thus regain Adam's love.
The PRB puts the figure at 117 billion as of 2020, estimating that the current world population is 6.7% of all the humans who have ever lived. [147] Haub (1995) prepared another figure, updated in 2002 and 2011; the 2011 figure was approximately 107 billion.
The gene microcephalin (MCPH1), involved in the development of the brain, likely originated from a Homo lineage separate from that of anatomically modern humans, but was introduced to them around 37,000 years ago, and has become much more common ever since, reaching around 70% of the human population at present.
Hominini: The latest common ancestor of humans and chimpanzees is estimated to have lived between roughly 10 to 5 million years ago. Both chimpanzees and humans have a larynx that repositions during the first two years of life to a spot between the pharynx and the lungs, indicating that the common ancestors have this feature, a precondition for ...