OT British scientists
 

.... have finally confirmed what women worldwide have been suspecting
for centuries.

It’s not religious principles that start wars. It’s not even
civilization’s thirst for oil.

Ladies and gentlemen, it’s the penis.

http://www.globalpost.com/dispatches/globalpost-blogs/wanderlust/male-sex-drive-blamed-all-evil

"“male warrior instinct” , DUH