Fungi, bacteria and one-cell organisms live in the cracks of rocks deep in the ocean's lower crust, scientists say in a study published in Nature. Researchers, who drilled rock cores in the Indian Ocean and recovered samples from 750 meters into the crust, say the microbes' survival depends on the circulation of fluids carrying organic material from the ocean above.
Sign up for AAG SmartBrief
News for geographers
Get the intelligence you need: news and information that is changing your industry today, hand-curated by our professional editors from thousands of sources and delivered straight to your inbox.