Humans 80,000 Years Older Than Previously Thought?Breaking News
The tools were uncovered in the 1970s at the archaeological site of Gademotta, in the Ethiopian Rift Valley. But it was not until this year that new dating techniques revealed the tools to be far older than the oldest known Homo sapien bones, which are around 195,000 years old.
Using argon-argon dating—a technique that compares different isotopes of the element argon—researchers determined that the volcanic ash layers entombing the tools at Gademotta date back at least 276,000 years.
comments powered by Disqus
- The six-day war: why Israel is still divided over its legacy 50 years on
- "Space archaeology" transforms how ancient sites are discovered
- A military cemetery whose African American history is hidden in plain sight in Philadelphia
- Texas Senate increases education board's textbook veto power
- The Secret Transcripts of the Six-Day War
- AHA joins protest of Trump’s plan for drastic cuts to the NEH
- Diane Ravitch says the Democrats paved the way for the education secretary's efforts to privatize our public schools
- Mark Moyar explains why he came to believe the Vietnam War was winnable
- How should Texas high schoolers learn history?
- What's the 'greatest witch hunt of a politician in American history’?