For many many years we have observed primates picking and trimming sticks to delve for ants and termites.
BTW I've worked with Jill Pruetz. Another great anthropologist, more of an archaeologist in that department at ISU is Dr. Hill. I remember long nights washing bones in the lab following an unfortunate increase in air moisture. lol
There is something magical about cutting recently deceased cows and bison with stone tools in a variety of conditions to understand cut marks found on remains.
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