The natural world is always fascinating, with millions of unique species for us to explore and research. But now and again, nature presents us with something so strange that it is, frankly, bizarre.

Add Yahoo as a preferred source to see more of our stories on Google. Nature is full of dangerous parasites and bacteria that can harm their hosts. But did you know that there are some parasites that ...

illustration of single-cell parasites floating through the bloodstream alongside blood cells The parasite Toxoplasma gondii hides in up to half of humans, although it rarely causes symptoms. But when ...