Archeologists and anthropologists are still searching for the “why” of “how” of the first human migration to the Americas, but they’re zeroing in on the “when.” Thanks to a handful of well-preserved Ice Age archeological sites, and a precious few fully-sequenced genomes from Paleolithic...
The collapse of the Indus Valley, around 1700 B.C., is often credited to migration prompted byclimate changeor possible tectonic movement that caused the Saraswati River to dry out. Others cite a great flood. 4. Ancient China, 2000 B.C. ...
Chris has a master's degree in history and teaches at the University of Northern Colorado. Cite this lesson The development of early human societies and cultures populated by homo sapiens began around 20,000 years ago. Learn about the social and cultural divisions that appeared, such as some ...
The first 13years of the twenty-first century have begun with a series of widespread, long and intensive droughts around the world. Extreme and severe-to-extreme intensity droughts covered 2%–6% and 7%–16% of the world land, respectively, affecting environment, economies and humans. These dro...
It is known that there was gene flow from Neanderthals to modern humans around 50,000 years ago; now, analysis of a Neanderthal genome from the Altai Mountains in Siberia reveals evidence of gene flow 100,000 years ago in the other direction—from early
A digital model of the present-day morphological conditions of the terrain around the site was produced. Travelling times across the territory were estimated with empirical formulae depending on distance, slope angles, movement direction (uphill or downhill) and the existence of insurmountable barriers...
The material culture of Naqādah II included increasing numbers ofprestigeobjects. The characteristic mortuary pottery is made of buff desert clay, principally from aroundQinā, and is decorated in red with pictures of uncertain meaning showing boats, animals, and scenes with human figures. Stone ...
In the deep human past, highly skilled seafarers made daring crossings from Asia to the Pacific Islands. It was a migration of global importance that shaped the distribution of our species - Homo sapiens - across the planet. These mariners became the ancestors of people who live in the region...
Ch 16. AP World History: The Reformation... Ch 17. AP World History: The... Ch 18. AP World History: Political,... Ch 19. AP World History: Colonialism Ch 20. AP World History: Nationalism Ch 21. AP World History: Imperialism Ch 22. Patterns of Human Migration Ch 23. AP World ...
Kevin Uno is a paleoclimatologist and Lamont Assistant Research Professor at Lamont-Doherty Earth Observatory who studies the role climate change plays in human population dynamics and migration.