Sunday, May 01, 2016
Catalyst: Ancient Teeth - ABC TV Science
Catalyst: Ancient Teeth - ABC TV Science: Scientists at the University of Adelaide have found this by analysing hundreds of skeletons dating back thousands of years. Our teeth went bad when farming began, 10,000 years ago.
Posted by Scott Carlson Teacher in Chicago at Lane Tech High School at 5/01/2016 11:32:00 AM