I see you Arstechnica

[Dr. Acula]

http://arstechnica.com/science/2013/09/size-may-matter-at-least-when-it-comes-to-parenting/

Men with larger testes show less involvement in their offsprings' care.

@ the stock photo

 

[Dirty_Jerz]

the pawgchick who wrote this up

Spoiler