This is an informational tour in which students gain a basic understanding of geologic time, the evidence for events in Earth’s history, relative and absolute dating techniques, and the significance of the Geologic Time Scale.
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But new research, published today in two Nature papers, offers a fresh perspective.
The latest studies suggest that Homo sapiens spread across the entire African continent more than 100,000 years earlier than previously thought.
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Despite seeming like a relatively stable place, the Earth's surface has changed dramatically over the past 4.6 billion years.
View looking south of the Jebel Irhoud (Morocco) site.
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Dating portland oregon got into a car accident, and her marriage in 2009 to her divorce.
The earliest known existence of modern humans, or Homo sapiens, was previously dated to be around 200,000 years ago.
It’s a view supported by genetic analysis and dated Homo sapiens fossils (Omo Kibish, estimated age 195,000 years, and Herto, estimated age 160,000 years), both found in modern-day Ethiopia, East Africa.