Lend a hand: Is there an advantage to being left or right-handed?

Is there any evolutionary advantage to being left or right-handed? Readers respond with observations about how left and right arms are different and stories of handedness in animals

Being left-handed doesn't mean you are right-brained – so what does it mean?

The Left-Hand and Right-Hand Paths in Occultism

PPT - What are the advantages and disadvantages of being left-handed? PowerPoint Presentation - ID:2008339

WebGlove - MaxBP

Being left-handed doesn't mean you are right-brained – so what does it mean?

What does it mean when someone says they are 'left handed but use their right hand for everything'? - Quora

Can You Tell If a Person Is Left-Handed by Their Handwriting? - WSJ

Handedness - Wikipedia

Are Left-Handed People Smarter?