Thirteen stone towers at Chankillo Peru
proved to be a Solar Observatory - one of the oldest in the Americas.
Michael Waters & Thomas Stafford narrowed the Clovis period to a disputed
250 years (13,050-12,800) - too brief to have spread across the Americas. A
theory arose to explain this Clovis culture disappearance - an exploding
comet which conveniently also explains the extinction of the mammoth and the
onset of the global cooling event called the Younger Dryas.
Archaeologists stumble upon a 2,000-year-old Iron Age henge that
inconveniently halted construction of the M3 around Dublin Ireland.
Scientists completed a 10-year mapping project of Cambodia's Anghor which yielded
clues suggesting the sprawling metropolis could have collapsed under overpopulation
and deforestation.
Radiocarbon dating and DNA analysis of a chicken bone from a site in Chile suggests
Polynesians brought chickens to the west coast of South America well before Columbus.