The Science of Finding the Perfect Christmas Gift

Tired of getting Christmas sweaters from grandma? It's okay to have a nice lunch with her instead, experts say.

For all of recorded history, people have been giving presents for a myriad of reasons: to show affection, curry favor, or fulfill familial duty. And the custom goes beyond the human species. Even family cats are known to bequeath presents of dead mice or birds on their owners.

"It's an act of social communication," said SunWolf, a communications professor at Santa Clara University. "Without using words, you're always saying something: 'I wish we could be closer, I think of you, I miss you.'"

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Tia Ghose
Editor-in-Chief (Premium)

Tia is the editor-in-chief (premium) and was formerly managing editor and senior writer for Live Science. Her work has appeared in Scientific American, Wired.com, Science News and other outlets. She holds a master's degree in bioengineering from the University of Washington, a graduate certificate in science writing from UC Santa Cruz and a bachelor's degree in mechanical engineering from the University of Texas at Austin. Tia was part of a team at the Milwaukee Journal Sentinel that published the Empty Cradles series on preterm births, which won multiple awards, including the 2012 Casey Medal for Meritorious Journalism.