Only hard-boiled eggs spin. Soft-boiled eggs and raw eggs do not spin like hard-boiled eggs do mainly because of their liquid inside. Hard-boiled eggs spin faster and more equally because the yolk inside is hard.
100 Mind-Blowing Yolk Facts
Apart from Vitamin C, eggs contain every single vitamin. It also contains high traces of protein, fat, and minerals. The egg yolk is also one of the few foods that naturally contain Vitamin D.