A building four times the size of any house around it stood at the entrance of a small prehistoric settlement in northeastern ...
When a researcher picks up an object — whether it’s a scrap of leather from a dig site, a fossil from a museum drawer or a newly fallen meteorite — their first question might be, “What is this thing?” ...
Dedicated at the University of Chicago on October 10, 2016. In 1946, Willard Libby proposed an innovative method for dating organic materials by measuring their content of carbon-14, a newly ...