Presents are about giving, receiving and reciprocating, and how this cycle strengthens relationships.
Ancient humans: What we know and still don't know about them
Material culture - Wikipedia
Smokey Bear sign located after being reported missing from Central Fire Department – Cedar City News
Chip Colwell: Why do we give gifts? An anthropologist explains
What's the point of giving gifts? An anthropologist explains this ancient part of being human, Feature Stories
What's the Point of Giving Gifts? An Anthropologist Explains This Ancient Part of Being Human – ActiveBeat – Your Daily Dose of Health Headlines
Our Human Relatives Butchered and Ate Each Other 1.45 Million Years Ago, Science
The Emerging Fate Of The Neandertals
What's The Point Of Giving Gifts? An Anthropologist Explains This
What's the point of giving gifts? An anthropologist explains this ancient part of being human – St George News
What's the point of giving gifts? An anthropologist explains this ancient part of being human - WDiarium