Planet Earth: Certain tiny, ocean-dwelling creatures called foraminifera can survive in conditions similar to those caused by ocean acidification, say scientists. Elphidium excavatum The researchers, from Plymouth University and the National Autonomous University of Mexico, found the first evidence that some foraminifera can handle very low-pH conditions near seafloor vents in the Gulf of California. Carbon dioxide bubbles up through these vents, lowering the pH of the surrounding seawater and mimicking conditions...