interesting video

http://au.youtube.com/watch?v=ecd43CQo7xU

i measured mine and its 9mm but i'm not very fast,

there are other exerts from this series called 'secrets of the sexes' interesting viewing

yup kinda interesting

Hm. I used to run track.... I was pretty good, but never a champ. The difference between those fingers was about 5mm.

Thats great !!!
... how do these guys come up with such incredible indicators in the research ? real brains.