Originally published 01/31/2013
Jan. 30, 2013 — Rebutting a speculative hypothesis that comet explosions changed Earth's climate sufficiently to end the Clovis culture in North America about 13,000 years ago, Sandia lead author Mark Boslough and researchers from 14 academic institutions assert that other explanations must be found for the apparent disappearance."There's no plausible mechanism to get airbursts over an entire continent," said Boslough, a physicist. "For this and other reasons, we conclude that the impact hypothesis is, unfortunately, bogus."In a December 2012 American Geophysical Union monograph, first available in January, the researchers point out that no appropriately sized impact craters from that time period have been discovered, nor have any unambiguously "shocked" materials been found....
- The Rothschilds, a pamphlet by ‘Satan’ and anti-Semitic conspiracy theories tied to a battle 200 years ago
- How Smithsonian Helped Solve the Twitter Mystery of the Unknown Woman Scientist
- It’s Disturbingly Easy to Buy Iraq’s Archeological Treasures
- Geneticist at Harvard Medical School has retrieved DNA from more than 900 ancient people.
- A load of gold worth up to $54 million went missing during the Civil War. There may be a break in the case.
- Historian: The Heavy Burden of Teaching My Son About American Racism
- Teachers are using ‘Black Panther’ to discuss African colonialism and American racism
- Q: “Sir, would you like a history of this monument?” A: “F**k You!”
- Russian gulag historian faces 9 years in prison
- “Civilisations" presenter David Olusoga blames Winston Churchill for war crimes in Africa