Mirror neurons are a type of brain cell that is activated both when performing an action and when observing another individual perform that same action, a process thought to help an individual ...

Christian Cotroneo is the social media editor at Treehugger. He is a founding editor at HuffPost Canada, and former writer at The Dodo and Toronto Star. Smiles are contagious. And no, that's not just ...

It is wartime. You and your fellow refugees are hiding from enemy soldiers, when a baby begins to cry. You cover her mouth to block the sound. If you remove your hand, her crying will draw the ...