Lefties--or at least relatives of lefties--may be better than right-handed people at remembering events, according to a new study. Since the mid-1980s, scientists have known that the two brain hemispheres of left-handers are more strongly connected than those of right-handers.

Do lefties have bad memory?

If you are left-handed or related to someone who is, then you stand a better chance of remembering where and when you read this article. "So left-handers probably do have a richer ability to recall their lives," Christman, himself a southpaw, says. ...

Do left-handers have higher IQ?

Although data suggested that right-handed people had slightly higher IQ scores compared to left-handers, the scientists noted that intelligence differences between right and left-handed people were negligible overall.