Commercial production of black eggs boiled in the bubbling hot springs of Owakudani began several decades ago—but the ...

In conclusion, don't panic when an egg comes out with black spots. Just take a moment to analyze its appearance and even assess the condition of its shell before consuming the product (both yolk ...

When buying eggs, also ensure the shells are not cracked. If you notice a crack only at home, using such an egg as soon as possible is best. If you don't intend to eat it, it is safest to discard it.