northern Nova Scotia is part of a micro-continent (Avaland ... The Meguma Zone as a missing segment of the African margin.. In general, the unit is at least 10 km thick, consisting basically of ...

View Full Profile. Learn about our Editorial Policies. Ancient DNA dating to between 16,000–18,000 years ago—the oldest human DNA to be extracted in Africa so far—reveals that populations of ...

Hominin fossils that reveal clues to the emergence of Homo sapiens are rare in Africa, but in combination with studies of modern human genomes, researchers are piecing together an ever more complex ...