But what is it about a smile that makes it feel sincere or fake? The answer lies in a blend of facial anatomy and emotional authenticity.

Bill Phelps, Dave’s Hot Chicken CEO, joins 'Squawk box' to discuss the origins of the company, the acquisition by private ...

But what is it about a smile that makes it feel sincere — or fake? The answer lies in a surprising blend of facial anatomy, neurology and emotional authenticity. Not all smiles are created equal ...

Memes put a smile on my face every day. They spread joy across all of the Internet. I've received some of the nicest emails ...

But what is it about a smile that makes it feel sincere — or fake? The answer lies in a surprising blend of facial anatomy, neurology and emotional authenticity. Not all smiles are created equal, and ...

But what is it about a smile that makes it feel sincere—or fake? The answer lies in a surprising blend of facial anatomy, neurology and emotional authenticity. Not all smiles are created equal ...

Analysis: What makes a smile feel sincere or fake is due to a surprising blend of facial anatomy, neurology and emotional authenticity You've probably heard the claim that it takes more muscles to ...