{"id":1412,"date":"2024-08-07T15:48:33","date_gmt":"2024-08-07T10:18:33","guid":{"rendered":"http:\/\/w3toys-com.stackstaging.com\/blog\/?p=1412"},"modified":"2024-08-07T15:48:33","modified_gmt":"2024-08-07T10:18:33","slug":"dark-oxygen-discovery","status":"publish","type":"post","link":"https:\/\/www.w3toys.com\/blog\/science\/dark-oxygen-discovery\/","title":{"rendered":"Groundbreaking Dark Oxygen Discovery Explained"},"content":{"rendered":"\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-top\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;1412&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;top&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;1&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;5&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Rate this post&quot;,&quot;legend&quot;:&quot;5\\\/5 - (1 vote)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;Groundbreaking Dark Oxygen Discovery Explained&quot;,&quot;width&quot;:&quot;142.5&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 142.5px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            5\/5 - (1 vote)    <\/div>\n    <\/div>\n<p>An international team of researchers has made a big find. They discovered that oxygen is being made in the dark, about 4,000 meters below the ocean&#8217;s surface. This goes against the old idea that oxygen comes only from living things like plants and algae through\u00a0<b>photosynthesis<\/b>.<\/p>\n<p>They found that small, potato-shaped nodules on the ocean floor have a high electric charge. This charge splits seawater into hydrogen and oxygen, a process called\u00a0<b>seawater electrolysis<\/b>. This new discovery, called &#8220;dark oxygen,&#8221; opens up new ways to think about where life on Earth comes from. It also makes us wonder about the effects of\u00a0<b>deep-sea mining<\/b>\u00a0in the\u00a0<b>Clarion-Clipperton Zone<\/b>.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.w3toys.com\/blog\/science\/dark-oxygen-discovery\/#Key_Takeaways\" >Key Takeaways<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.w3toys.com\/blog\/science\/dark-oxygen-discovery\/#Unexpected_Oxygen_Production_in_the_Deep_Ocean\" >Unexpected Oxygen Production in the Deep Ocean<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.w3toys.com\/blog\/science\/dark-oxygen-discovery\/#Challenging_Long-Held_Assumptions\" >Challenging Long-Held Assumptions<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.w3toys.com\/blog\/science\/dark-oxygen-discovery\/#Polymetallic_Nodules_Natural_%E2%80%9CGeobatteries%E2%80%9D\" >Polymetallic Nodules: Natural &#8220;Geobatteries&#8221;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.w3toys.com\/blog\/science\/dark-oxygen-discovery\/#Implications_for_Deep-Sea_Mining\" >Implications for Deep-Sea Mining<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.w3toys.com\/blog\/science\/dark-oxygen-discovery\/#Dark_Oxygen_Discovery_and_the_Origins_of_Life\" >Dark Oxygen Discovery and the Origins of Life<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.w3toys.com\/blog\/science\/dark-oxygen-discovery\/#Conclusion\" >Conclusion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.w3toys.com\/blog\/science\/dark-oxygen-discovery\/#FAQ\" >FAQ<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.w3toys.com\/blog\/science\/dark-oxygen-discovery\/#What_is_the_unexpected_discovery_about_oxygen_production_in_the_deep_ocean\" >What is the unexpected discovery about oxygen production in the deep ocean?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.w3toys.com\/blog\/science\/dark-oxygen-discovery\/#How_are_the_potato-shaped_polymetallic_nodules_on_the_seafloor_responsible_for_this_%E2%80%9Cdark_oxygen%E2%80%9D_production\" >How are the potato-shaped polymetallic nodules on the seafloor responsible for this &#8220;dark oxygen&#8221; production?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.w3toys.com\/blog\/science\/dark-oxygen-discovery\/#What_are_the_implications_of_this_discovery_for_the_practice_of_deep-sea_mining\" >What are the implications of this discovery for the practice of deep-sea mining?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.w3toys.com\/blog\/science\/dark-oxygen-discovery\/#How_does_this_discovery_challenge_our_understanding_of_the_origins_of_life_on_Earth\" >How does this discovery challenge our understanding of the origins of life on Earth?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"Key_Takeaways\"><\/span>Key Takeaways<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Oxygen is being produced in complete darkness approximately 4,000 meters (13,100 feet) below the ocean&#8217;s surface.<\/li>\n<li>This finding challenges the scientific consensus that oxygen is only produced through\u00a0<b>photosynthesis<\/b>\u00a0by living organisms.<\/li>\n<li>Potato-shaped metallic nodules on the seafloor are carrying a high electric charge, leading to the splitting of seawater into hydrogen and oxygen through\u00a0<b>seawater electrolysis<\/b>.<\/li>\n<li>This &#8220;dark oxygen&#8221; discovery raises questions about the\u00a0<b>origins of life<\/b>\u00a0on Earth and the potential impacts of\u00a0<b>deep-sea mining<\/b>.<\/li>\n<li>The research team&#8217;s findings have significant implications for our understanding of the\u00a0<b>deep ocean ecosystem<\/b>\u00a0and the processes that sustain life in the most remote and unexplored regions of the planet.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Unexpected_Oxygen_Production_in_the_Deep_Ocean\"><\/span>Unexpected Oxygen Production in the Deep Ocean<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Scientists have made a big discovery about the deep ocean. They found that oxygen is made at depths of about 4,000 meters (13,100 feet). This is where no light can get through and\u00a0<b>photosynthesis<\/b>\u00a0was thought to be impossible. This finding challenges the idea that oxygen comes only from surface plants.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Challenging_Long-Held_Assumptions\"><\/span>Challenging Long-Held Assumptions<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Professor Andrew Sweetman and his team from the Scottish Association for Marine Science were surprised. They found &#8220;dark oxygen&#8221; production on the ocean floor. After more tests, they proved that\u00a0<b>polymetallic nodules<\/b>, rich in minerals, create the oxygen. These nodules are in the\u00a0<b>Clarion-Clipperton Zone<\/b>, a deep part of the Pacific Ocean.<\/p>\n<p>This discovery changes how we see the deep ocean and life on Earth. It shows that oxygen isn&#8217;t just made by sunlight. It means we need to look into other ways\u00a0<em>deep sea oxygen production<\/em>\u00a0happens. It also shows the importance of\u00a0<em>ocean floor oxygen<\/em>\u00a0in the\u00a0<em>deep ocean ecosystem<\/em>.<\/p>\n<p><iframe title=\"Scientists discover new DARK OXYGEN! Groundbreaking research\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/lYGhrqyqP-k?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>Scientists are now studying the\u00a0<b>Clarion-Clipperton Zone<\/b>\u00a0and other\u00a0<em>deep ocean ecosystems<\/em>. This finding could help us understand how life thrives in the dark depths of the\u00a0<em>ocean floor oxygen<\/em>\u00a0of the\u00a0<em>Clarion-Clipperton Zone<\/em>.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Polymetallic_Nodules_Natural_%E2%80%9CGeobatteries%E2%80%9D\"><\/span>Polymetallic Nodules: Natural &#8220;Geobatteries&#8221;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Deep in the ocean, a big discovery has been made. Researchers found that the potato-shaped\u00a0<b>polymetallic nodules<\/b>\u00a0on the ocean floor are more than just rich in minerals. They are natural &#8220;geobatteries&#8221; that can turn seawater into hydrogen and oxygen through a process called\u00a0<b>seawater electrolysis<\/b>.<\/p>\n<p>These nodules are full of valuable metals like cobalt, nickel, copper, and manganese. These metals are needed for green technologies like electric vehicle batteries and renewable energy. But these nodules are more important than just for their metals.<\/p>\n<table>\n<tbody>\n<tr>\n<th>Mineral<\/th>\n<th>Concentration in Polymetallic Nodules<\/th>\n<\/tr>\n<tr>\n<td>Cobalt<\/td>\n<td>0.2-0.8%<\/td>\n<\/tr>\n<tr>\n<td>Nickel<\/td>\n<td>1.2-1.5%<\/td>\n<\/tr>\n<tr>\n<td>Copper<\/td>\n<td>0.7-1.2%<\/td>\n<\/tr>\n<tr>\n<td>Manganese<\/td>\n<td>15-30%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Researchers found that these\u00a0<em>polymetallic nodules<\/em>\u00a0have a high electric charge. This charge helps them split seawater into hydrogen and oxygen through\u00a0<em>seawater electrolysis<\/em>. This process, known as a &#8220;geobattery,&#8221; creates oxygen in the deep ocean. It challenges what we thought we knew about this vast, unexplored place.<\/p>\n<p>This discovery means the\u00a0<em>polymetallic nodules<\/em>\u00a0might be more important in marine ecosystems than we thought. It could also affect the sustainability of\u00a0<em>deep-sea mining<\/em>\u00a0these valuable resources.<\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-1422 size-large\" src=\"http:\/\/w3toys-com.stackstaging.com\/blog\/wp-content\/uploads\/2024\/08\/download-16-1024x563.jpg\" alt=\"An otherworldly landscape dotted with shimmering metallic spheres of various sizes and colors.\" width=\"1024\" height=\"563\" srcset=\"https:\/\/www.w3toys.com\/blog\/wp-content\/uploads\/2024\/08\/download-16-1024x563.jpg 1024w, https:\/\/www.w3toys.com\/blog\/wp-content\/uploads\/2024\/08\/download-16-300x165.jpg 300w, https:\/\/www.w3toys.com\/blog\/wp-content\/uploads\/2024\/08\/download-16-768x422.jpg 768w, https:\/\/www.w3toys.com\/blog\/wp-content\/uploads\/2024\/08\/download-16-150x83.jpg 150w, https:\/\/www.w3toys.com\/blog\/wp-content\/uploads\/2024\/08\/download-16.jpg 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Implications_for_Deep-Sea_Mining\"><\/span>Implications for Deep-Sea Mining<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The finding of &#8220;dark oxygen&#8221; production by\u00a0<b>polymetallic nodules<\/b>\u00a0on the ocean floor changes the game for\u00a0<em>deep-sea mining<\/em>. Big companies want to take these valuable\u00a0<em>polymetallic nodules<\/em>\u00a0from the\u00a0<em>Clarion-Clipperton Zone<\/em>. This could mess with the natural oxygen-making processes in the deep ocean.<\/p>\n<p>Back in the 1980s,\u00a0<em>deep-sea mining<\/em>\u00a0efforts showed lasting damage. Even bacteria didn&#8217;t bounce back in mined areas for years. Now, scientists say\u00a0<em>deep-sea mining<\/em>\u00a0could harm deep-sea life in big ways, affecting its diversity and fragility.<\/p>\n<p>This new info highlights the need to pause\u00a0<em>deep-sea mining<\/em>\u00a0to learn more about\u00a0<em>polymetallic nodules<\/em>\u00a0in the ocean. Messing with the &#8220;dark oxygen&#8221; production could seriously harm the deep-sea world.<\/p>\n<table>\n<tbody>\n<tr>\n<th>Impact<\/th>\n<th>Consequences<\/th>\n<\/tr>\n<tr>\n<td>Disruption of polymetallic nodule-driven oxygen production<\/td>\n<td>Unknown and potentially disastrous effects on deep-sea ecosystems<\/td>\n<\/tr>\n<tr>\n<td>Long-lasting damage to marine habitats<\/td>\n<td>Even bacteria struggled to recover years after previous mining attempts<\/td>\n<\/tr>\n<tr>\n<td>Threat to diverse and fragile deep-sea life<\/td>\n<td>Urgent need for a moratorium on\u00a0<b>deep-sea mining<\/b><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><iframe title=\"We Discovered Dark Oxygen In Our Oceans - The Controversy Explained\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/imrS8pK0pVA?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dark_Oxygen_Discovery_and_the_Origins_of_Life\"><\/span>Dark Oxygen Discovery and the Origins of Life<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The discovery of oxygen in the deep ocean has changed our understanding of where it comes from. It was thought that photosynthesis created all the oxygen. Now, we wonder if life could have started differently.<\/p>\n<p>Before, we believed oxygen started three billion years ago with cyanobacteria. This new finding makes us question our knowledge of life&#8217;s beginnings.<\/p>\n<p>This research could change how we see life&#8217;s evolution. It might even change our view of the\u00a0<em>origins of life<\/em>,\u00a0<em>aerobic life<\/em>, and the role of\u00a0<em>deep-sea oxygen<\/em>\u00a0and\u00a0<em>photosynthesis<\/em>.<\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-1424 size-large\" src=\"http:\/\/w3toys-com.stackstaging.com\/blog\/wp-content\/uploads\/2024\/08\/download-17-1024x563.jpg\" alt=\"Dark Oxygen Discovery and the Origins of Life\" width=\"1024\" height=\"563\" srcset=\"https:\/\/www.w3toys.com\/blog\/wp-content\/uploads\/2024\/08\/download-17-1024x563.jpg 1024w, https:\/\/www.w3toys.com\/blog\/wp-content\/uploads\/2024\/08\/download-17-300x165.jpg 300w, https:\/\/www.w3toys.com\/blog\/wp-content\/uploads\/2024\/08\/download-17-768x422.jpg 768w, https:\/\/www.w3toys.com\/blog\/wp-content\/uploads\/2024\/08\/download-17-150x83.jpg 150w, https:\/\/www.w3toys.com\/blog\/wp-content\/uploads\/2024\/08\/download-17.jpg 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p>This research suggests there might be other ways to make oxygen besides photosynthesis. It could rewrite what we know about life on Earth. As scientists learn more, they might challenge our old ideas about life&#8217;s start and how complex life evolved.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The discovery of oxygen in the deep, dark ocean is a big deal for science. It changes how we see the Earth&#8217;s ecosystems and where life comes from. These potato-shaped rocks on the ocean floor act like &#8220;natural\u00a0<b>geobatteries<\/b>.&#8221; They make oxygen by breaking down seawater.<\/p>\n<p>This finding is a game-changer for understanding the deep sea. It also makes us think about the risks of mining the ocean floor. These rocks might be more important to the ocean than we thought. So, mining them could have big effects on the environment.<\/p>\n<p>This new oxygen source in the ocean makes us rethink how life evolved on Earth. Scientists can now study how life began and how the ocean, atmosphere, and life are connected. The study of this discovery will change how we see our planet and its history.<\/p>\n<section>\n<h2><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>FAQ<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"What_is_the_unexpected_discovery_about_oxygen_production_in_the_deep_ocean\"><\/span>What is the unexpected discovery about oxygen production in the deep ocean?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div>\n<div>\n<p>Scientists found that oxygen is made in the dark, about 4,000 meters deep. This goes against the idea that oxygen comes only from living things through photosynthesis.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"How_are_the_potato-shaped_polymetallic_nodules_on_the_seafloor_responsible_for_this_%E2%80%9Cdark_oxygen%E2%80%9D_production\"><\/span>How are the potato-shaped polymetallic nodules on the seafloor responsible for this &#8220;dark oxygen&#8221; production?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div>\n<div>\n<p>These nodules carry a high electric charge. This charge splits seawater into hydrogen and oxygen, a process called seawater electrolysis. It&#8217;s like a &#8220;geobattery.&#8221;<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"What_are_the_implications_of_this_discovery_for_the_practice_of_deep-sea_mining\"><\/span>What are the implications of this discovery for the practice of deep-sea mining?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div>\n<div>\n<p>This discovery means the nodules might be more important to the ocean than we thought. Deep-sea mining could harm these delicate marine areas in ways we don&#8217;t know yet.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"How_does_this_discovery_challenge_our_understanding_of_the_origins_of_life_on_Earth\"><\/span>How does this discovery challenge our understanding of the origins of life on Earth?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div>\n<div>\n<p>Finding oxygen in the deep ocean where there&#8217;s no photosynthesis changes our view on where oxygen comes from. It makes us rethink how life on Earth began and what&#8217;s needed for complex life to emerge.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>An international team of researchers has made a big find. They discovered that oxygen is being made in the dark, about 4,000 meters below the ocean&#8217;s surface. This goes against the old idea that oxygen comes only from living things like plants and algae through\u00a0photosynthesis. They found that small, potato-shaped nodules on the ocean floor [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1413,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[209],"tags":[],"class_list":["post-1412","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-science"],"_links":{"self":[{"href":"https:\/\/www.w3toys.com\/blog\/wp-json\/wp\/v2\/posts\/1412","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.w3toys.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.w3toys.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.w3toys.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.w3toys.com\/blog\/wp-json\/wp\/v2\/comments?post=1412"}],"version-history":[{"count":5,"href":"https:\/\/www.w3toys.com\/blog\/wp-json\/wp\/v2\/posts\/1412\/revisions"}],"predecessor-version":[{"id":1427,"href":"https:\/\/www.w3toys.com\/blog\/wp-json\/wp\/v2\/posts\/1412\/revisions\/1427"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.w3toys.com\/blog\/wp-json\/wp\/v2\/media\/1413"}],"wp:attachment":[{"href":"https:\/\/www.w3toys.com\/blog\/wp-json\/wp\/v2\/media?parent=1412"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.w3toys.com\/blog\/wp-json\/wp\/v2\/categories?post=1412"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.w3toys.com\/blog\/wp-json\/wp\/v2\/tags?post=1412"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}