Upload

Loading...

Love à la Darwin - 07 - Masculine, More Masculine, the Most Masculine

711 views

Loading...

Loading...

Transcript

The interactive transcript could not be loaded.

Loading...

Loading...

Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Uploaded on Jan 5, 2010

Are men really more daring than women and what has that got to do with the ring finger? The astonishing answer is that the more testosterone a foetus is exposed to in its mothers womb, the longer its ring finger will be relative to the index finger. Testosterone in the mothers womb also has other effects on a persons mental development by promoting or inhibiting the growth of certain regions of the brain - masculine, more masculine, the most masculine...

Loading...

When autoplay is enabled, a suggested video will automatically play next.

Up Next


to add this to Watch Later

Add to

Loading playlists...