What do you think is the largest single cell on earth? Remember there are limits to the size of cells due to absorption of nutrients and oxygen and release of wastes. How does a cell bigger than a cricket ball manage these limits? Where do you think you would find such an organism? These strange forms of life belong to the Kingdom Protista and have been discovered in deep ocean trenches, over ten kilometres beneath the surface. Read more about these fascinating xenophyophores at “Strange Forms of Life Discovered in Ocean’s Blackest Depths“.