The web is now buzzing about pink yolks, a rather recent fad that’s taken the web by storm. Don't worry – these don't represent some bizarre genetic mutation. The eye-catching color is totally man-made, achieved by https://docs.google.com/spreadsheets/d/1qL-aIM5KxaBFeWx9uqNsFK4KthW88k7ORDu_7a02O8s/edit?usp=sharing