People's finger pattern reveals surprising information. More precisely, scientists are focusing on the ratio of the length of the index finger (2D) divided by the ring finger (4D).
If your index finger is longer than your ring finger, then you may be very feminine (gay if you are a man), good at arts ... If you are the opposite, then you may be very masculine (lesbian if you are a woman), good at math ... Below are some illustrations that's easy to read.




Below are a few articles that explains what may cause this:
http://www.viewzone.com/fingers.htmlhttp://www.flatrock.org.nz/topics/odds_and_oddities/finger_length_ratios.htm