Insights: Big Yawn, Cooler Brain? Researchers Say Yes
3rd July 2007
Item. So when we all yawn in series, does that mean we’re all hot? Or that we all want to be cool? Inquiring minds want to know.
3rd July 2007
Item. So when we all yawn in series, does that mean we’re all hot? Or that we all want to be cool? Inquiring minds want to know.