A Chinese submersible has discovered thousands of worms and molluscs nearly 10 kilometres (six miles) below sea level in the Mariana Trench, the deepest colony of creatures ever observed, a study revealed on Wednesday. Last year, the Chinese submersible “Fendouzhe” — or “Striver” — dove 23 times into the depths of the Mariana Trench in the western Pacific Ocean with researchers on board, according to the study in the journal Nature.
