Get Truthdig's headlines in your inbox!
Dennis Kucinich: There Isn't Much Difference Between the Clintons and the Bushes
Here Are 5 Countries Where Solar Power Is Making a Revolution
'Human Experimentation Was a Core Feature of the CIA Torture Program'
The Grand Finale of 'The Colbert Report' Is a Sight to Behold
On Cuba, Republicans Know Only Failure
E.J. Dionne $13.57
By Christian Parenti
ronWLS (CC BY-NC 2.0)
Scientists at Emory University have found a potential connection between a man’s testicular proportions and his involvement in raising his children.
View the most popular tags overall?
Strengthen your commitment to Truthdig by becoming a Bedrock Supporter. Annual membership includes special discounts and content as well as the opportunity to network with other Truthdiggers.