From the article:

Take Richard Lippa, a professor of psychology at California State University at Fullerton. His studies show that gay people are twice as likely to be left-handed. He also collects photos of hair whorls — those circular swirls you see atop a man’s head. He says about 10 percent of the general population have whorls that rotate counter-clockwise, but about 20 percent of gay men have counter-clockwise whorls.

Full text — Step by step, researcher looks for sexuality clues

This is almost a year old, but it got lost in the shuffle and was just rediscovered. Hair-whorls towards the backside of the head generally swirl either clockwise or counterclockwise. There is a connection between the direction of the swirl and the right or left handedness of an individual. It is interesting reading. Draw your own conclusions.

Paid advertisements (not an endorsement):