'Icelandia' was lost to the sea 10 million years ago.

[ad_1] A secret continent dubbed “Icelandia” has been discovered beneath Iceland – and the enormous land mass could stretch from Greenland to Europe. Its huge size would make it bigger than Australia, according to geologists behind the astonishing discovery.…

Humans aren’t the only species that navigate by starlight. Animals from birds to dung beetles may do it, too — and might become disoriented as our city lights drown out the heavens.