Around the deep-sea vents off the southern coast ... The animals swim by opening and closing their shells quickly, propelling them through the water. The filter-feeding species eat plankton ...

To make the unique glaze, Ando burns the sea urchin shells to ashes in a kiln before crushing and grounding them into a fine powder. She then mixes the powder with wood ash, feldspar and water.

London — Shell has restarted production at the Penguins field in the UK North Sea with a modern floating ... The field is in 165 metres (541 feet) of water depth, around 150 miles north-east ...