Shaking hands. V irtually anywhere you may go in the world, the rules of etiquette dictate that you should extend the right hand, as opposed to the left, for a shake. Let’s start with the ...

One answer lies in something Casasanto and his team call “left-handed exceptionalism.” Lefties make up just about 10% of the ...

Further legend: The reason we shake with right hands is that as the majority of people are right-handed, the weapon hand was the right hand while the shield arm was the left. The empty right hand ...

Find out what you need to know about hands and wrists, and discover their functions and common injuries. Skip to main content . ... Only about 10% of people in the world are left-handed.