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In its most conventional form, dendrochronology works like so.
A contemporary tree—that is, a tree that was either just cut down or still living—can tell you not just how many years it has lived, but which years in which it lived. What if it’s been used to build a home or a ship or a bonfire?
For decades, radiocarbon dating has been a way for scientists to get a rough picture of when once-living stuff lived.
The method has been revolutionary and remains one of the most commonly used dating methods to study the past, but according to Charlotte Pearson, it’s ready for a makeover.
Dates were assigned to Southwestern ruins with certainty.
Indeed, the “SECRET OF THE SOUTHWEST” was revealed.
The first single-celled organisms on Earth did not appear until about a billion years later.
He noticed that trees across the same region, in the same climate, develop rings in the same patterns.
Pearson is an assistant professor of dendrochronology at the University of Arizona who studies the past lives of trees to better understand the history of civilizations.
Dendrochronology and radiocarbon dating have intertwined histories, she explains, with roots firmly planted at the UA.
Correction: The original version of this post misstated the cause of inaccuracy in first-generation radiocarbon dating.
It also linked to, and partially relied on, a website of dubious validity.
The first modern humans did not evolve in Africa until about 1.8 million years ago.