The ratio of length between a man's second and fourth fingers (2D:4D) is thought to be linked to the amount of testosterone he received in the womb.
According to new research, it also shows something else: How attractive a man's face will be to women.
More » Source: http://feeds.gawker.com/~r/gizmodo/full/~3/aohGQ0A4Gt4/your-hands-give-away-your-hotness
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