European scientists have teamed up with two startups in a pioneering experiment to tackle one of the major problems facing sea life—the depletion of oxygen in the ocean, causing the disappearance of fish and marine biodiversity. European scientists have teamed up with two startups in a pioneering experiment to tackle one of the major problems facing sea life—the depletion of oxygen in the ocean, causing the disappearance of fish and marine biodiversity. Environment Phys.org – latest science and technology news stories