Listen to this story. Any oxygen found in regions where photosynthesis is impossible—such as the abyssal seafloor, a pitch-black realm up to 6,000 metres deep—was thought to be surface gas on the move. In a paper published in Nature Geoscience, however, Andrew Sweetman at the Scottish Association for Marine Science and his colleagues reveal that some is, in fact, “dark …
The unseen man-made 'tracks' on the deep ocean floor GEOMAR/MiningImpact Project This track was 37 years-old when it was photographed in 2015 Far from land, deep sea mining trials have left barren marks that are still there decades later, and as Richard Fisher writes, they symbolise two different timescales colliding. "They’re like the rocky areas in a garden – you’re …
