Christmas wouldn’t be Christmas without an exchange of gifts among my two grandmothers, mother, and aunt, featuring the trait they shared: all four were left-handed. Waiting for them under the tree in ...

Born without my left temporal lobe, a brain region thought to be critical for language, I’ve been a research subject for much of my life. By Helen Santoro I barreled into the world — a precipitous ...

He is half-smiley, half-frowny. I drew the mouth carefully to make it equal parts sad and happy. But when you look at him — take him in whole — would you say he's having a good day or a bad day? Most ...