Wikipedia is looking for more information to be provided in their dictionary for egg yolks. If someone is interested in citing a piece for them and supplying references for them, I know LOTS of you here have the answers they can share with others.
(Yes I'm playing on wikipedia today!)
http://en.wikipedia.org/wiki/Egg_yolks
(Yes I'm playing on wikipedia today!)
http://en.wikipedia.org/wiki/Egg_yolks