Most life on Earth depends on oxygen—but not these creatures! From deep-sea organisms to microscopic marvels, these 9 animals have evolved to survive without oxygen in ways that defy science. Discover ...

‘The world’s most important animal ... which looked similar to a modern lamprey’s mouth. These strange Cambrian creatures, which quickly evolved all sorts of odd solutions to surviving ...

and they were even more surprised when they found strange creatures clinging to it. Biogeographer and lead author of the study, Huw Griffiths of the British Antarctic Survey, raised all sorts of ...