Case in point: Scientists from Tokyo University and Hokkaido University in Japan stumbled across some mysterious jet-black ...

The black eggs are available at Owakudani Kurotamagokan, which sells eggs that have been freshly prepared that day. To get there, take the Hakone Tozan Cable Car from Gora Station to Sōunzan ...

Black egg donors are rare, so this Londoner helped fill the need. Yasmine Sharman has donated 41 eggs to help strangers become parents — and celebrates the birthday of a “donor baby” every year.