DNA study reinforces out of Africa evolution theory
A Swedish German study of 53 mitochondrial genomes supports the out of Africa model, tracing modern humans to a common African ancestor about 170000 years ago and a migration begun around 50000 years ago. Africans show about twice the genetic diversity, and a rapid population expansion is dated to 38000 years ago.
MENTIONED IN THIS ARTICLE
Africa
Europe
Asia
Erectus
Blair Hedges
Pennsylvania State University
Nature
sub-Saharan
Colombia Extends Rebel Demilitarized Zone Through January
Colombia has extended the leftist FARC demilitarized zone to the end of January, a 55 day extension in a peace process viewed skeptically by many. Peace commissioner Camilo Gomez and U.S. Ambassador Anne Patterson urged negotiations while critics warn the zone aids rebel attacks and drug trade. Leaders like Alfonso Cano call for preserving the zone as a safeguard against total war.
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Bogota
Colombia
Camilo Gomez
Revolutionary Armed Forces of Colombia
FARC
Andres Pastrana
Pastrana
Gomez
U.S
Anne Patterson
Demilitarized Zone
New Jersey
Washington
Alfonso Cano
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