It’s a day to love the lefties and salute the southpaws. Wednesday is International Left-Handers Day, founded in 1976 to celebrate the uniqueness — and challenges — of left-handed people worldwide.

Left-handed people face everyday challenges that their right-handed counterparts never have to worry about, like hand smudges while writing and using scissors made for righties. Though only 10% of the ...

We’ve all heard the whispers. Those southpaws among us supposedly have some kind of secret intellectual edge. From Leonardo da Vinci sketching with his left hand to Einstein supposedly jotting down ...