Search results
Results from the WOW.Com Content Network
Different chromosomes appear to have split at different times, possibly over as much as a 4-million-year period, indicating a long and drawn out speciation process with large-scale gene flow events between the two emerging lineages as recently as 6.3 to 5.4 million years ago, according to Patterson et al. (2006). [21]
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]
The beginning of the Mesolithic is usually considered to correspond ... Geologic Time – Period prior to humans. 4.6 billion to 3 million years ago. (See ...
America Online CEO Stephen M. Case, left, and Time Warner CEO Gerald M. Levin listen to senators' opening statements during a hearing before the Senate Judiciary Committee on the merger of the two ...
Ukraine’s President Volodymyr Zelensky finds himself shunted down Donald Trump’s call sheet in favor of Russia’s Vladimir Putin, as the bones of a peace plan emerge that push Kyiv’s ...
President Donald Trump’s administration announced it had dismissed Archivist of the United States Colleen Shogan in a surprise move Friday evening.
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 continental land except Antarctica by the end of the Ice Age 12,000 years ago.
Ultimately, birthright citizenship and other policies that run counter to long-standing norms seem destined to be decided by the U.S. Supreme Court, which has a 6-3 conservative majority and ...